diff --git a/packages/color-helpers/CHANGELOG.md b/packages/color-helpers/CHANGELOG.md
index 0ead14023..907406e90 100644
--- a/packages/color-helpers/CHANGELOG.md
+++ b/packages/color-helpers/CHANGELOG.md
@@ -1,5 +1,16 @@
 # Changes to Color Helpers
 
+### Unreleased (patch)
+
+- Match latest changes made in `csswg-drafts` for:
+  - `gam_2020`
+  - `Lab_to_LCH`
+  - `lin_2020`
+  - `OKLab_to_OKLCH`
+  - `sRGB_to_HSL`
+  - `XYZ_D50_to_HWB`
+
+
 ### 6.0.0
 
 _January 14, 2026_
diff --git a/packages/color-helpers/dist/index.mjs b/packages/color-helpers/dist/index.mjs
index 7ca812eb6..904e6caa1 100644
--- a/packages/color-helpers/dist/index.mjs
+++ b/packages/color-helpers/dist/index.mjs
@@ -38,7 +38,7 @@ function multiplyMatrices(t,n){return[t[0]*n[0]+t[1]*n[1]+t[2]*n[2],t[3]*n[0]+t[
 /**
  * @license W3C https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document
  * @copyright This software or document includes material copied from or derived from https://github.com/w3c/csswg-drafts/blob/main/css-color-4/conversions.js. Copyright © 2022 W3C® (MIT, ERCIM, Keio, Beihang).
- */function Lab_to_LCH(t){const n=180*Math.atan2(t[2],t[1])/Math.PI;return[t[0],Math.sqrt(Math.pow(t[1],2)+Math.pow(t[2],2)),n>=0?n:n+360]}const _=[.3457/.3585,1,.2958/.3585];
+ */function Lab_to_LCH(t){const n=Math.sqrt(Math.pow(t[1],2)+Math.pow(t[2],2));let _=180*Math.atan2(t[2],t[1])/Math.PI;return _<0&&(_+=360),n<=.0015&&(_=NaN),[t[0],n,_]}const _=[.3457/.3585,1,.2958/.3585];
 /**
  * Convert Lab to D50-adapted XYZ
  * @license W3C https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document
@@ -54,7 +54,7 @@ function multiplyMatrices(t,n){return[t[0]*n[0]+t[1]*n[1]+t[2]*n[2],t[3]*n[0]+t[
  * @license W3C https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document
  * @copyright This software or document includes material copied from or derived from https://github.com/w3c/csswg-drafts/blob/main/css-color-4/conversions.js. Copyright © 2022 W3C® (MIT, ERCIM, Keio, Beihang).
  * @see https://github.com/w3c/csswg-drafts/blob/main/css-color-4/conversions.js
- */function OKLab_to_OKLCH(t){const n=180*Math.atan2(t[2],t[1])/Math.PI;return[t[0],Math.sqrt(t[1]**2+t[2]**2),n>=0?n:n+360]}const o=[1.2268798758459243,-.5578149944602171,.2813910456659647,-.0405757452148008,1.112286803280317,-.0717110580655164,-.0763729366746601,-.4214933324022432,1.5869240198367816],e=[1,.3963377773761749,.2158037573099136,1,-.1055613458156586,-.0638541728258133,1,-.0894841775298119,-1.2914855480194092];
+ */function OKLab_to_OKLCH(t){const n=Math.sqrt(t[1]**2+t[2]**2);let _=180*Math.atan2(t[2],t[1])/Math.PI;return _<0&&(_+=360),n<=4e-6&&(_=NaN),[t[0],n,_]}const o=[1.2268798758459243,-.5578149944602171,.2813910456659647,-.0405757452148008,1.112286803280317,-.0717110580655164,-.0763729366746601,-.4214933324022432,1.5869240198367816],e=[1,.3963377773761749,.2158037573099136,1,-.1055613458156586,-.0638541728258133,1,-.0894841775298119,-1.2914855480194092];
 /**
  * Given OKLab, convert to XYZ relative to D65
  *
@@ -113,7 +113,7 @@ function XYZ_to_OKLab(t){const n=multiplyMatrices(l,t);return multiplyMatrices(i
  *
  * @license W3C https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document
  * @copyright This software or document includes material copied from or derived from https://github.com/w3c/csswg-drafts/blob/main/css-color-4/conversions.js. Copyright © 2022 W3C® (MIT, ERCIM, Keio, Beihang).
- */const D=1.09929682680944,b=.018053968510807;function gam_2020_channel(t){const n=t<0?-1:1,_=Math.abs(t);return _>b?n*(D*Math.pow(_,.45)-(D-1)):4.5*t}
+ */function gam_2020_channel(t){const n=t<0?-1:1,_=Math.abs(t);return n*Math.pow(_,1/2.4)}
 /**
  * Convert an array of linear-light sRGB values in the range 0.0-1.0 to gamma corrected form
  * Extended transfer function:
@@ -138,7 +138,7 @@ function XYZ_to_OKLab(t){const n=multiplyMatrices(l,t);return multiplyMatrices(i
  *
  * @license W3C https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document
  * @copyright This software or document includes material copied from or derived from https://github.com/w3c/csswg-drafts/blob/main/css-color-4/conversions.js. Copyright © 2022 W3C® (MIT, ERCIM, Keio, Beihang).
- */const g=1/512;function gam_ProPhoto_channel(t){const n=t<0?-1:1,_=Math.abs(t);return _>=g?n*Math.pow(_,1/1.8):16*t}
+ */const D=1/512;function gam_ProPhoto_channel(t){const n=t<0?-1:1,_=Math.abs(t);return _>=D?n*Math.pow(_,1/1.8):16*t}
 /**
  * Convert an array of linear-light a98-rgb in the range 0.0-1.0
  * to gamma corrected form. Negative values are also now accepted
@@ -153,7 +153,7 @@ function XYZ_to_OKLab(t){const n=multiplyMatrices(l,t);return multiplyMatrices(i
  *
  * @license W3C https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document
  * @copyright This software or document includes material copied from or derived from https://github.com/w3c/csswg-drafts/blob/main/css-color-4/conversions.js. Copyright © 2022 W3C® (MIT, ERCIM, Keio, Beihang).
- */const X=1.09929682680944,Y=.018053968510807;function lin_2020_channel(t){const n=t<0?-1:1,_=Math.abs(t);return _<4.5*Y?t/4.5:n*Math.pow((_+X-1)/X,1/.45)}const Z=[63426534/99577255,20160776/139408157,47086771/278816314,26158966/99577255,.677998071518871,8267143/139408157,0,19567812/697040785,1.0609850577107909];
+ */function lin_2020_channel(t){const n=t<0?-1:1,_=Math.abs(t);return n*Math.pow(_,2.4)}const b=[63426534/99577255,20160776/139408157,47086771/278816314,26158966/99577255,.677998071518871,8267143/139408157,0,19567812/697040785,1.0609850577107909];
 /**
  * Convert an array of linear-light rec2020 values to CIE XYZ
  * using  D65 (no chromatic adaptation)
@@ -180,7 +180,7 @@ function lin_sRGB(t){return[lin_sRGB_channel(t[0]),lin_sRGB_channel(t[1]),lin_sR
  *
  * @license W3C https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document
  * @copyright This software or document includes material copied from or derived from https://github.com/w3c/csswg-drafts/blob/main/css-color-4/conversions.js. Copyright © 2022 W3C® (MIT, ERCIM, Keio, Beihang).
- */function lin_P3(t){return lin_sRGB(t)}const f=[608311/1250200,189793/714400,198249/1000160,35783/156275,247089/357200,198249/2500400,0,32229/714400,5220557/5000800];
+ */function lin_P3(t){return lin_sRGB(t)}const g=[608311/1250200,189793/714400,198249/1000160,35783/156275,247089/357200,198249/2500400,0,32229/714400,5220557/5000800];
 /**
  * Convert an array of linear-light display-p3 values to CIE XYZ
  * using D65 (no chromatic adaptation)
@@ -188,7 +188,7 @@ function lin_sRGB(t){return[lin_sRGB_channel(t[0]),lin_sRGB_channel(t[1]),lin_sR
  * @license W3C https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document
  * @copyright This software or document includes material copied from or derived from https://github.com/w3c/csswg-drafts/blob/main/css-color-4/conversions.js. Copyright © 2022 W3C® (MIT, ERCIM, Keio, Beihang).
  * @see http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html
- */function lin_P3_to_XYZ(t){return multiplyMatrices(f,t)}
+ */function lin_P3_to_XYZ(t){return multiplyMatrices(g,t)}
 /**
  * Convert an array of prophoto-rgb values where in-gamut Colors are in the
  * range [0.0 - 1.0] to linear light (un-companded) form. Transfer curve is
@@ -196,7 +196,7 @@ function lin_sRGB(t){return[lin_sRGB_channel(t[0]),lin_sRGB_channel(t[1]),lin_sR
  *
  * @license W3C https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document
  * @copyright This software or document includes material copied from or derived from https://github.com/w3c/csswg-drafts/blob/main/css-color-4/conversions.js. Copyright © 2022 W3C® (MIT, ERCIM, Keio, Beihang).
- */const M=16/512;function lin_ProPhoto_channel(t){const n=t<0?-1:1,_=Math.abs(t);return _<=M?t/16:n*Math.pow(_,1.8)}const p=[.7977666449006423,.13518129740053308,.0313477341283922,.2880748288194013,.711835234241873,8993693872564e-17,0,0,.8251046025104602];
+ */const X=16/512;function lin_ProPhoto_channel(t){const n=t<0?-1:1,_=Math.abs(t);return _<=X?t/16:n*Math.pow(_,1.8)}const Y=[.7977666449006423,.13518129740053308,.0313477341283922,.2880748288194013,.711835234241873,8993693872564e-17,0,0,.8251046025104602];
 /**
  * Convert an array of linear-light prophoto-rgb values to CIE D50 XYZ.
  * Matrix cannot be expressed in rational form, but is calculated to 64 bit accuracy.
@@ -204,7 +204,7 @@ function lin_sRGB(t){return[lin_sRGB_channel(t[0]),lin_sRGB_channel(t[1]),lin_sR
  * @license W3C https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document
  * @copyright This software or document includes material copied from or derived from https://github.com/w3c/csswg-drafts/blob/main/css-color-4/conversions.js. Copyright © 2022 W3C® (MIT, ERCIM, Keio, Beihang).
  * @see see https://github.com/w3c/csswg-drafts/issues/7675
- */function lin_a98rgb_channel(t){const n=t<0?-1:1,_=Math.abs(t);return n*Math.pow(_,563/256)}const d=[573536/994567,263643/1420810,187206/994567,591459/1989134,6239551/9945670,374412/4972835,53769/1989134,351524/4972835,4929758/4972835];
+ */function lin_a98rgb_channel(t){const n=t<0?-1:1,_=Math.abs(t);return n*Math.pow(_,563/256)}const Z=[573536/994567,263643/1420810,187206/994567,591459/1989134,6239551/9945670,374412/4972835,53769/1989134,351524/4972835,4929758/4972835];
 /**
  * Convert an array of linear-light a98-rgb values to CIE XYZ
  * http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html
@@ -218,14 +218,14 @@ function lin_sRGB(t){return[lin_sRGB_channel(t[0]),lin_sRGB_channel(t[1]),lin_sR
  * @see http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html
  * @see https://www.adobe.com/digitalimag/pdfs/AdobeRGB1998.pdf
  * @see https://github.com/w3c/csswg-drafts/blob/main/css-color-4/matrixmaker.html
- */const L=[506752/1228815,87881/245763,12673/70218,87098/409605,175762/245763,12673/175545,7918/409605,87881/737289,1001167/1053270];
+ */const f=[506752/1228815,87881/245763,12673/70218,87098/409605,175762/245763,12673/175545,7918/409605,87881/737289,1001167/1053270];
 /**
  * Convert an array of linear-light sRGB values to CIE XYZ
  * using sRGB's own white, D65 (no chromatic adaptation)
  *
  * @license W3C https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document
  * @copyright This software or document includes material copied from or derived from https://github.com/w3c/csswg-drafts/blob/main/css-color-4/conversions.js. Copyright © 2022 W3C® (MIT, ERCIM, Keio, Beihang).
- */function lin_sRGB_to_XYZ(t){return multiplyMatrices(L,t)}
+ */function lin_sRGB_to_XYZ(t){return multiplyMatrices(f,t)}
 /**
  * Convert an array of gamma-corrected sRGB values in the 0.0 to 1.0 range to HSL.
  *
@@ -239,7 +239,7 @@ function lin_sRGB(t){return[lin_sRGB_channel(t[0]),lin_sRGB_channel(t[1]),lin_sR
  * @copyright This software or document includes material copied from or derived from https://github.com/w3c/csswg-drafts/blob/main/css-color-4/utilities.js. Copyright © 2022 W3C® (MIT, ERCIM, Keio, Beihang).
  *
  * @see https://github.com/w3c/csswg-drafts/blob/main/css-color-4/better-rgbToHsl.js
- */function sRGB_to_HSL(t){const n=t[0],_=t[1],o=t[2],e=Math.max(n,_,o),a=Math.min(n,_,o),r=(a+e)/2,l=e-a;let i=Number.NaN,c=0;if(0!==Math.round(1e5*l)){const t=Math.round(1e5*r);switch(c=0===t||1e5===t?0:(e-r)/Math.min(r,1-r),e){case n:i=(_-o)/l+(_<o?6:0);break;case _:i=(o-n)/l+2;break;case o:i=(n-_)/l+4}i*=60}return c<0&&(i+=180,c=Math.abs(c)),i>=360&&(i-=360),[i,100*c,100*r]}function sRGB_to_Hue(t){const n=t[0],_=t[1],o=t[2],e=Math.max(n,_,o),a=Math.min(n,_,o);let r=Number.NaN;const l=e-a;if(0!==l){switch(e){case n:r=(_-o)/l+(_<o?6:0);break;case _:r=(o-n)/l+2;break;case o:r=(n-_)/l+4}r*=60}return r>=360&&(r-=360),r}function sRGB_to_XYZ_D50(t){let n=t;return n=lin_sRGB(n),n=lin_sRGB_to_XYZ(n),n=D65_to_D50(n),n}function XYZ_D50_to_sRGB(t){let n=t;return n=D50_to_D65(n),n=XYZ_to_lin_sRGB(n),n=gam_sRGB(n),n}function HSL_to_XYZ_D50(t){let n=t;return n=HSL_to_sRGB(n),n=lin_sRGB(n),n=lin_sRGB_to_XYZ(n),n=D65_to_D50(n),n}function XYZ_D50_to_HSL(t){let n=t;return n=D50_to_D65(n),n=XYZ_to_lin_sRGB(n),n=gam_sRGB(n),n=sRGB_to_HSL(n),n}function HWB_to_XYZ_D50(t){let n=t;return n=HWB_to_sRGB(n),n=lin_sRGB(n),n=lin_sRGB_to_XYZ(n),n=D65_to_D50(n),n}function XYZ_D50_to_HWB(t){let n=t;n=D50_to_D65(n),n=XYZ_to_lin_sRGB(n);const _=gam_sRGB(n),o=Math.min(_[0],_[1],_[2]),e=1-Math.max(_[0],_[1],_[2]);return[sRGB_to_Hue(_),100*o,100*e]}function Lab_to_XYZ_D50(t){let n=t;return n=Lab_to_XYZ(n),n}function XYZ_D50_to_Lab(t){let n=t;return n=XYZ_to_Lab(n),n}function LCH_to_XYZ_D50(t){let n=t;return n=LCH_to_Lab(n),n=Lab_to_XYZ(n),n}function XYZ_D50_to_LCH(t){let n=t;return n=XYZ_to_Lab(n),n=Lab_to_LCH(n),n}function OKLab_to_XYZ_D50(t){let n=t;return n=OKLab_to_XYZ(n),n=D65_to_D50(n),n}function XYZ_D50_to_OKLab(t){let n=t;return n=D50_to_D65(n),n=XYZ_to_OKLab(n),n}function OKLCH_to_XYZ_D50(t){let n=t;return n=OKLCH_to_OKLab(n),n=OKLab_to_XYZ(n),n=D65_to_D50(n),n}function XYZ_D50_to_OKLCH(t){let n=t;return n=D50_to_D65(n),n=XYZ_to_OKLab(n),n=OKLab_to_OKLCH(n),n}function lin_sRGB_to_XYZ_D50(t){let n=t;return n=lin_sRGB_to_XYZ(n),n=D65_to_D50(n),n}function XYZ_D50_to_lin_sRGB(t){let n=t;return n=D50_to_D65(n),n=XYZ_to_lin_sRGB(n),n}function a98_RGB_to_XYZ_D50(t){let n=t;
+ */function sRGB_to_HSL(t){const n=t[0],_=t[1],o=t[2],e=Math.max(n,_,o),a=Math.min(n,_,o),r=(a+e)/2,l=e-a;let i=Number.NaN,c=0;if(0!==Math.round(1e5*l)){const t=Math.round(1e5*r);switch(c=0===t||1e5===t?0:(e-r)/Math.min(r,1-r),e){case n:i=(_-o)/l+(_<o?6:0);break;case _:i=(o-n)/l+2;break;case o:i=(n-_)/l+4}i*=60}c<0&&(i+=180,c=Math.abs(c)),i>=360&&(i-=360);return c<=1e-5&&(i=NaN),[i,100*c,100*r]}function sRGB_to_Hue(t){const n=t[0],_=t[1],o=t[2],e=Math.max(n,_,o),a=Math.min(n,_,o);let r=Number.NaN;const l=e-a;if(0!==l){switch(e){case n:r=(_-o)/l+(_<o?6:0);break;case _:r=(o-n)/l+2;break;case o:r=(n-_)/l+4}r*=60}return r>=360&&(r-=360),r}function sRGB_to_XYZ_D50(t){let n=t;return n=lin_sRGB(n),n=lin_sRGB_to_XYZ(n),n=D65_to_D50(n),n}function XYZ_D50_to_sRGB(t){let n=t;return n=D50_to_D65(n),n=XYZ_to_lin_sRGB(n),n=gam_sRGB(n),n}function HSL_to_XYZ_D50(t){let n=t;return n=HSL_to_sRGB(n),n=lin_sRGB(n),n=lin_sRGB_to_XYZ(n),n=D65_to_D50(n),n}function XYZ_D50_to_HSL(t){let n=t;return n=D50_to_D65(n),n=XYZ_to_lin_sRGB(n),n=gam_sRGB(n),n=sRGB_to_HSL(n),n}function HWB_to_XYZ_D50(t){let n=t;return n=HWB_to_sRGB(n),n=lin_sRGB(n),n=lin_sRGB_to_XYZ(n),n=D65_to_D50(n),n}function XYZ_D50_to_HWB(t){let n=t;n=D50_to_D65(n),n=XYZ_to_lin_sRGB(n);const _=gam_sRGB(n),o=Math.min(_[0],_[1],_[2]),e=1-Math.max(_[0],_[1],_[2]);let a=sRGB_to_Hue(_);return o+e>=.99999&&(a=NaN),[a,100*o,100*e]}function Lab_to_XYZ_D50(t){let n=t;return n=Lab_to_XYZ(n),n}function XYZ_D50_to_Lab(t){let n=t;return n=XYZ_to_Lab(n),n}function LCH_to_XYZ_D50(t){let n=t;return n=LCH_to_Lab(n),n=Lab_to_XYZ(n),n}function XYZ_D50_to_LCH(t){let n=t;return n=XYZ_to_Lab(n),n=Lab_to_LCH(n),n}function OKLab_to_XYZ_D50(t){let n=t;return n=OKLab_to_XYZ(n),n=D65_to_D50(n),n}function XYZ_D50_to_OKLab(t){let n=t;return n=D50_to_D65(n),n=XYZ_to_OKLab(n),n}function OKLCH_to_XYZ_D50(t){let n=t;return n=OKLCH_to_OKLab(n),n=OKLab_to_XYZ(n),n=D65_to_D50(n),n}function XYZ_D50_to_OKLCH(t){let n=t;return n=D50_to_D65(n),n=XYZ_to_OKLab(n),n=OKLab_to_OKLCH(n),n}function lin_sRGB_to_XYZ_D50(t){let n=t;return n=lin_sRGB_to_XYZ(n),n=D65_to_D50(n),n}function XYZ_D50_to_lin_sRGB(t){let n=t;return n=D50_to_D65(n),n=XYZ_to_lin_sRGB(n),n}function a98_RGB_to_XYZ_D50(t){let n=t;
 /**
  * Convert an array of a98-rgb values in the range 0.0 - 1.0
  * to linear light (un-companded) form. Negative values are also now accepted
@@ -247,7 +247,7 @@ function lin_sRGB(t){return[lin_sRGB_channel(t[0]),lin_sRGB_channel(t[1]),lin_sR
  * @license W3C https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document
  * @copyright This software or document includes material copied from or derived from https://github.com/w3c/csswg-drafts/blob/main/css-color-4/conversions.js. Copyright © 2022 W3C® (MIT, ERCIM, Keio, Beihang).
  */
-var _;return n=[lin_a98rgb_channel((_=n)[0]),lin_a98rgb_channel(_[1]),lin_a98rgb_channel(_[2])],n=multiplyMatrices(d,n),n=D65_to_D50(n),n}function XYZ_D50_to_a98_RGB(t){let n=t;var _;return n=D50_to_D65(n),n=multiplyMatrices(h,n),n=[gam_a98rgb_channel((_=n)[0]),gam_a98rgb_channel(_[1]),gam_a98rgb_channel(_[2])],n}function P3_to_XYZ_D50(t){let n=t;return n=lin_P3(n),n=lin_P3_to_XYZ(n),n=D65_to_D50(n),n}function XYZ_D50_to_P3(t){let n=t;return n=D50_to_D65(n),n=XYZ_to_lin_P3(n),n=gam_P3(n),n}function lin_P3_to_XYZ_D50(t){let n=t;return n=lin_P3_to_XYZ(n),n=D65_to_D50(n),n}function XYZ_D50_to_lin_P3(t){let n=t;return n=D50_to_D65(n),n=XYZ_to_lin_P3(n),n}function rec_2020_to_XYZ_D50(t){let n=t;var _;return n=[lin_2020_channel((_=n)[0]),lin_2020_channel(_[1]),lin_2020_channel(_[2])],n=multiplyMatrices(Z,n),n=D65_to_D50(n),n}function XYZ_D50_to_rec_2020(t){let n=t;var _;return n=D50_to_D65(n),n=multiplyMatrices(c,n),n=[gam_2020_channel((_=n)[0]),gam_2020_channel(_[1]),gam_2020_channel(_[2])],n}function ProPhoto_RGB_to_XYZ_D50(t){let n=t;var _;return n=[lin_ProPhoto_channel((_=n)[0]),lin_ProPhoto_channel(_[1]),lin_ProPhoto_channel(_[2])],n=multiplyMatrices(p,n),n}function XYZ_D50_to_ProPhoto(t){let n=t;var _;return n=multiplyMatrices(s,n),n=[gam_ProPhoto_channel((_=n)[0]),gam_ProPhoto_channel(_[1]),gam_ProPhoto_channel(_[2])],n}function XYZ_D65_to_XYZ_D50(t){let n=t;return n=D65_to_D50(n),n}function XYZ_D50_to_XYZ_D65(t){let n=t;return n=D50_to_D65(n),n}function XYZ_D50_to_XYZ_D50(t){return t}function inGamut(t){return t[0]>=-1e-4&&t[0]<=1.0001&&t[1]>=-1e-4&&t[1]<=1.0001&&t[2]>=-1e-4&&t[2]<=1.0001}function clip(t){return[t[0]<0?0:t[0]>1?1:t[0],t[1]<0?0:t[1]>1?1:t[1],t[2]<0?0:t[2]>1?1:t[2]]}
+var _;return n=[lin_a98rgb_channel((_=n)[0]),lin_a98rgb_channel(_[1]),lin_a98rgb_channel(_[2])],n=multiplyMatrices(Z,n),n=D65_to_D50(n),n}function XYZ_D50_to_a98_RGB(t){let n=t;var _;return n=D50_to_D65(n),n=multiplyMatrices(h,n),n=[gam_a98rgb_channel((_=n)[0]),gam_a98rgb_channel(_[1]),gam_a98rgb_channel(_[2])],n}function P3_to_XYZ_D50(t){let n=t;return n=lin_P3(n),n=lin_P3_to_XYZ(n),n=D65_to_D50(n),n}function XYZ_D50_to_P3(t){let n=t;return n=D50_to_D65(n),n=XYZ_to_lin_P3(n),n=gam_P3(n),n}function lin_P3_to_XYZ_D50(t){let n=t;return n=lin_P3_to_XYZ(n),n=D65_to_D50(n),n}function XYZ_D50_to_lin_P3(t){let n=t;return n=D50_to_D65(n),n=XYZ_to_lin_P3(n),n}function rec_2020_to_XYZ_D50(t){let n=t;var _;return n=[lin_2020_channel((_=n)[0]),lin_2020_channel(_[1]),lin_2020_channel(_[2])],n=multiplyMatrices(b,n),n=D65_to_D50(n),n}function XYZ_D50_to_rec_2020(t){let n=t;var _;return n=D50_to_D65(n),n=multiplyMatrices(c,n),n=[gam_2020_channel((_=n)[0]),gam_2020_channel(_[1]),gam_2020_channel(_[2])],n}function ProPhoto_RGB_to_XYZ_D50(t){let n=t;var _;return n=[lin_ProPhoto_channel((_=n)[0]),lin_ProPhoto_channel(_[1]),lin_ProPhoto_channel(_[2])],n=multiplyMatrices(Y,n),n}function XYZ_D50_to_ProPhoto(t){let n=t;var _;return n=multiplyMatrices(s,n),n=[gam_ProPhoto_channel((_=n)[0]),gam_ProPhoto_channel(_[1]),gam_ProPhoto_channel(_[2])],n}function XYZ_D65_to_XYZ_D50(t){let n=t;return n=D65_to_D50(n),n}function XYZ_D50_to_XYZ_D65(t){let n=t;return n=D50_to_D65(n),n}function XYZ_D50_to_XYZ_D50(t){return t}function inGamut(t){return t[0]>=-1e-4&&t[0]<=1.0001&&t[1]>=-1e-4&&t[1]<=1.0001&&t[2]>=-1e-4&&t[2]<=1.0001}function clip(t){return[t[0]<0?0:t[0]>1?1:t[0],t[1]<0?0:t[1]>1?1:t[1],t[2]<0?0:t[2]>1?1:t[2]]}
 /**
  * @description Calculate deltaE OK which is the simple root sum of squares
  * @param {number[]} reference - Array of OKLab values: L as 0..1, a and b as -1..1
@@ -257,7 +257,7 @@ var _;return n=[lin_a98rgb_channel((_=n)[0]),lin_a98rgb_channel(_[1]),lin_a98rgb
  * @license W3C https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document
  * @copyright This software or document includes material copied from or derived from https://github.com/w3c/csswg-drafts/blob/main/css-color-4/deltaEOK.js. Copyright © 2022 W3C® (MIT, ERCIM, Keio, Beihang).
  * @see https://github.com/w3c/csswg-drafts/blob/main/css-color-4/deltaEOK.js
- */function deltaEOK(t,n){const[_,o,e]=t,[a,r,l]=n,i=_-a,c=o-r,u=e-l;return Math.sqrt(i**2+c**2+u**2)}const B=.02,G=1e-4;function mapGamut(t,n,_){const o=t;let e=clip(n(o)),a=deltaEOK(OKLCH_to_OKLab(_(e)),OKLCH_to_OKLab(o));if(a<B)return e;let r=0,l=o[1],i=!0;for(;l-r>G;){const t=(r+l)/2;if(o[1]=t,i&&inGamut(n(o)))r=t;else if(e=clip(n(o)),a=deltaEOK(OKLCH_to_OKLab(_(e)),OKLCH_to_OKLab(o)),a<B){if(B-a<G)return e;i=!1,r=t}else l=t}return clip(n([...o]))}
+ */function deltaEOK(t,n){const[_,o,e]=t,[a,r,l]=n,i=_-a,c=o-r,u=e-l;return Math.sqrt(i**2+c**2+u**2)}const M=.02,p=1e-4;function mapGamut(t,n,_){const o=t;let e=clip(n(o)),a=deltaEOK(OKLCH_to_OKLab(_(e)),OKLCH_to_OKLab(o));if(a<M)return e;let r=0,l=o[1],i=!0;for(;l-r>p;){const t=(r+l)/2;if(o[1]=t,i&&inGamut(n(o)))r=t;else if(e=clip(n(o)),a=deltaEOK(OKLCH_to_OKLab(_(e)),OKLCH_to_OKLab(o)),a<M){if(M-a<p)return e;i=!1,r=t}else l=t}return clip(n([...o]))}
 /**
  * @license MIT https://github.com/facelessuser/coloraide/blob/main/LICENSE.md
- */function mapGamutRayTrace(t,n,_){const o=t[0],e=t[2];let a=n(t);const r=n([o,0,e]);for(let t=0;t<4;t++){if(t>0){const t=_(a);t[0]=o,t[2]=e,a=n(t)}const l=rayTraceBox(r,a);if(!l)break;a=l}return clip(a)}function rayTraceBox(t,n){let _=1/0,o=-1/0;const e=[0,0,0];for(let a=0;a<3;a++){const r=t[a],l=n[a]-r;e[a]=l;const i=0,c=1;if(l){const t=1/l,n=(i-r)*t,e=(c-r)*t;o=Math.max(Math.min(n,e),o),_=Math.min(Math.max(n,e),_)}else if(r<i||r>c)return!1}return!(o>_||_<0)&&(o<0&&(o=_),!!isFinite(o)&&[t[0]+e[0]*o,t[1]+e[1]*o,t[2]+e[2]*o])}const R={aliceblue:[240,248,255],antiquewhite:[250,235,215],aqua:[0,255,255],aquamarine:[127,255,212],azure:[240,255,255],beige:[245,245,220],bisque:[255,228,196],black:[0,0,0],blanchedalmond:[255,235,205],blue:[0,0,255],blueviolet:[138,43,226],brown:[165,42,42],burlywood:[222,184,135],cadetblue:[95,158,160],chartreuse:[127,255,0],chocolate:[210,105,30],coral:[255,127,80],cornflowerblue:[100,149,237],cornsilk:[255,248,220],crimson:[220,20,60],cyan:[0,255,255],darkblue:[0,0,139],darkcyan:[0,139,139],darkgoldenrod:[184,134,11],darkgray:[169,169,169],darkgreen:[0,100,0],darkgrey:[169,169,169],darkkhaki:[189,183,107],darkmagenta:[139,0,139],darkolivegreen:[85,107,47],darkorange:[255,140,0],darkorchid:[153,50,204],darkred:[139,0,0],darksalmon:[233,150,122],darkseagreen:[143,188,143],darkslateblue:[72,61,139],darkslategray:[47,79,79],darkslategrey:[47,79,79],darkturquoise:[0,206,209],darkviolet:[148,0,211],deeppink:[255,20,147],deepskyblue:[0,191,255],dimgray:[105,105,105],dimgrey:[105,105,105],dodgerblue:[30,144,255],firebrick:[178,34,34],floralwhite:[255,250,240],forestgreen:[34,139,34],fuchsia:[255,0,255],gainsboro:[220,220,220],ghostwhite:[248,248,255],gold:[255,215,0],goldenrod:[218,165,32],gray:[128,128,128],green:[0,128,0],greenyellow:[173,255,47],grey:[128,128,128],honeydew:[240,255,240],hotpink:[255,105,180],indianred:[205,92,92],indigo:[75,0,130],ivory:[255,255,240],khaki:[240,230,140],lavender:[230,230,250],lavenderblush:[255,240,245],lawngreen:[124,252,0],lemonchiffon:[255,250,205],lightblue:[173,216,230],lightcoral:[240,128,128],lightcyan:[224,255,255],lightgoldenrodyellow:[250,250,210],lightgray:[211,211,211],lightgreen:[144,238,144],lightgrey:[211,211,211],lightpink:[255,182,193],lightsalmon:[255,160,122],lightseagreen:[32,178,170],lightskyblue:[135,206,250],lightslategray:[119,136,153],lightslategrey:[119,136,153],lightsteelblue:[176,196,222],lightyellow:[255,255,224],lime:[0,255,0],limegreen:[50,205,50],linen:[250,240,230],magenta:[255,0,255],maroon:[128,0,0],mediumaquamarine:[102,205,170],mediumblue:[0,0,205],mediumorchid:[186,85,211],mediumpurple:[147,112,219],mediumseagreen:[60,179,113],mediumslateblue:[123,104,238],mediumspringgreen:[0,250,154],mediumturquoise:[72,209,204],mediumvioletred:[199,21,133],midnightblue:[25,25,112],mintcream:[245,255,250],mistyrose:[255,228,225],moccasin:[255,228,181],navajowhite:[255,222,173],navy:[0,0,128],oldlace:[253,245,230],olive:[128,128,0],olivedrab:[107,142,35],orange:[255,165,0],orangered:[255,69,0],orchid:[218,112,214],palegoldenrod:[238,232,170],palegreen:[152,251,152],paleturquoise:[175,238,238],palevioletred:[219,112,147],papayawhip:[255,239,213],peachpuff:[255,218,185],peru:[205,133,63],pink:[255,192,203],plum:[221,160,221],powderblue:[176,224,230],purple:[128,0,128],rebeccapurple:[102,51,153],red:[255,0,0],rosybrown:[188,143,143],royalblue:[65,105,225],saddlebrown:[139,69,19],salmon:[250,128,114],sandybrown:[244,164,96],seagreen:[46,139,87],seashell:[255,245,238],sienna:[160,82,45],silver:[192,192,192],skyblue:[135,206,235],slateblue:[106,90,205],slategray:[112,128,144],slategrey:[112,128,144],snow:[255,250,250],springgreen:[0,255,127],steelblue:[70,130,180],tan:[210,180,140],teal:[0,128,128],thistle:[216,191,216],tomato:[255,99,71],turquoise:[64,224,208],violet:[238,130,238],wheat:[245,222,179],white:[255,255,255],whitesmoke:[245,245,245],yellow:[255,255,0],yellowgreen:[154,205,50]};function luminance(t){const[n,_,o]=t.map(t=>t<=.04045?t/12.92:Math.pow((t+.055)/1.055,2.4));return.2126*n+.7152*_+.0722*o}function contrast_ratio_wcag_2_1(t,n){const _=luminance(t),o=luminance(n);return(Math.max(_,o)+.05)/(Math.min(_,o)+.05)}export{HSL_to_XYZ_D50,HWB_to_XYZ_D50,LCH_to_XYZ_D50,Lab_to_XYZ_D50,OKLCH_to_OKLab,OKLCH_to_XYZ_D50,OKLab_to_OKLCH,OKLab_to_XYZ,OKLab_to_XYZ_D50,P3_to_XYZ_D50,ProPhoto_RGB_to_XYZ_D50,XYZ_D50_to_HSL,XYZ_D50_to_HWB,XYZ_D50_to_LCH,XYZ_D50_to_Lab,XYZ_D50_to_OKLCH,XYZ_D50_to_OKLab,XYZ_D50_to_P3,XYZ_D50_to_ProPhoto,XYZ_D50_to_XYZ_D50,XYZ_D50_to_XYZ_D65,XYZ_D50_to_a98_RGB,XYZ_D50_to_lin_P3,XYZ_D50_to_lin_sRGB,XYZ_D50_to_rec_2020,XYZ_D50_to_sRGB,XYZ_D65_to_XYZ_D50,XYZ_to_OKLab,XYZ_to_lin_P3,XYZ_to_lin_sRGB,a98_RGB_to_XYZ_D50,clip,contrast_ratio_wcag_2_1,gam_P3,gam_sRGB,inGamut,lin_P3,lin_P3_to_XYZ,lin_P3_to_XYZ_D50,lin_sRGB,lin_sRGB_to_XYZ,lin_sRGB_to_XYZ_D50,mapGamut,mapGamutRayTrace,R as namedColors,rec_2020_to_XYZ_D50,sRGB_to_XYZ_D50};
+ */function mapGamutRayTrace(t,n,_){const o=t[0],e=t[2];let a=n(t);const r=n([o,0,e]);for(let t=0;t<4;t++){if(t>0){const t=_(a);t[0]=o,t[2]=e,a=n(t)}const l=rayTraceBox(r,a);if(!l)break;a=l}return clip(a)}function rayTraceBox(t,n){let _=1/0,o=-1/0;const e=[0,0,0];for(let a=0;a<3;a++){const r=t[a],l=n[a]-r;e[a]=l;const i=0,c=1;if(l){const t=1/l,n=(i-r)*t,e=(c-r)*t;o=Math.max(Math.min(n,e),o),_=Math.min(Math.max(n,e),_)}else if(r<i||r>c)return!1}return!(o>_||_<0)&&(o<0&&(o=_),!!isFinite(o)&&[t[0]+e[0]*o,t[1]+e[1]*o,t[2]+e[2]*o])}const d={aliceblue:[240,248,255],antiquewhite:[250,235,215],aqua:[0,255,255],aquamarine:[127,255,212],azure:[240,255,255],beige:[245,245,220],bisque:[255,228,196],black:[0,0,0],blanchedalmond:[255,235,205],blue:[0,0,255],blueviolet:[138,43,226],brown:[165,42,42],burlywood:[222,184,135],cadetblue:[95,158,160],chartreuse:[127,255,0],chocolate:[210,105,30],coral:[255,127,80],cornflowerblue:[100,149,237],cornsilk:[255,248,220],crimson:[220,20,60],cyan:[0,255,255],darkblue:[0,0,139],darkcyan:[0,139,139],darkgoldenrod:[184,134,11],darkgray:[169,169,169],darkgreen:[0,100,0],darkgrey:[169,169,169],darkkhaki:[189,183,107],darkmagenta:[139,0,139],darkolivegreen:[85,107,47],darkorange:[255,140,0],darkorchid:[153,50,204],darkred:[139,0,0],darksalmon:[233,150,122],darkseagreen:[143,188,143],darkslateblue:[72,61,139],darkslategray:[47,79,79],darkslategrey:[47,79,79],darkturquoise:[0,206,209],darkviolet:[148,0,211],deeppink:[255,20,147],deepskyblue:[0,191,255],dimgray:[105,105,105],dimgrey:[105,105,105],dodgerblue:[30,144,255],firebrick:[178,34,34],floralwhite:[255,250,240],forestgreen:[34,139,34],fuchsia:[255,0,255],gainsboro:[220,220,220],ghostwhite:[248,248,255],gold:[255,215,0],goldenrod:[218,165,32],gray:[128,128,128],green:[0,128,0],greenyellow:[173,255,47],grey:[128,128,128],honeydew:[240,255,240],hotpink:[255,105,180],indianred:[205,92,92],indigo:[75,0,130],ivory:[255,255,240],khaki:[240,230,140],lavender:[230,230,250],lavenderblush:[255,240,245],lawngreen:[124,252,0],lemonchiffon:[255,250,205],lightblue:[173,216,230],lightcoral:[240,128,128],lightcyan:[224,255,255],lightgoldenrodyellow:[250,250,210],lightgray:[211,211,211],lightgreen:[144,238,144],lightgrey:[211,211,211],lightpink:[255,182,193],lightsalmon:[255,160,122],lightseagreen:[32,178,170],lightskyblue:[135,206,250],lightslategray:[119,136,153],lightslategrey:[119,136,153],lightsteelblue:[176,196,222],lightyellow:[255,255,224],lime:[0,255,0],limegreen:[50,205,50],linen:[250,240,230],magenta:[255,0,255],maroon:[128,0,0],mediumaquamarine:[102,205,170],mediumblue:[0,0,205],mediumorchid:[186,85,211],mediumpurple:[147,112,219],mediumseagreen:[60,179,113],mediumslateblue:[123,104,238],mediumspringgreen:[0,250,154],mediumturquoise:[72,209,204],mediumvioletred:[199,21,133],midnightblue:[25,25,112],mintcream:[245,255,250],mistyrose:[255,228,225],moccasin:[255,228,181],navajowhite:[255,222,173],navy:[0,0,128],oldlace:[253,245,230],olive:[128,128,0],olivedrab:[107,142,35],orange:[255,165,0],orangered:[255,69,0],orchid:[218,112,214],palegoldenrod:[238,232,170],palegreen:[152,251,152],paleturquoise:[175,238,238],palevioletred:[219,112,147],papayawhip:[255,239,213],peachpuff:[255,218,185],peru:[205,133,63],pink:[255,192,203],plum:[221,160,221],powderblue:[176,224,230],purple:[128,0,128],rebeccapurple:[102,51,153],red:[255,0,0],rosybrown:[188,143,143],royalblue:[65,105,225],saddlebrown:[139,69,19],salmon:[250,128,114],sandybrown:[244,164,96],seagreen:[46,139,87],seashell:[255,245,238],sienna:[160,82,45],silver:[192,192,192],skyblue:[135,206,235],slateblue:[106,90,205],slategray:[112,128,144],slategrey:[112,128,144],snow:[255,250,250],springgreen:[0,255,127],steelblue:[70,130,180],tan:[210,180,140],teal:[0,128,128],thistle:[216,191,216],tomato:[255,99,71],turquoise:[64,224,208],violet:[238,130,238],wheat:[245,222,179],white:[255,255,255],whitesmoke:[245,245,245],yellow:[255,255,0],yellowgreen:[154,205,50]};function luminance(t){const[n,_,o]=t.map(t=>t<=.04045?t/12.92:Math.pow((t+.055)/1.055,2.4));return.2126*n+.7152*_+.0722*o}function contrast_ratio_wcag_2_1(t,n){const _=luminance(t),o=luminance(n);return(Math.max(_,o)+.05)/(Math.min(_,o)+.05)}export{HSL_to_XYZ_D50,HWB_to_XYZ_D50,LCH_to_XYZ_D50,Lab_to_XYZ_D50,OKLCH_to_OKLab,OKLCH_to_XYZ_D50,OKLab_to_OKLCH,OKLab_to_XYZ,OKLab_to_XYZ_D50,P3_to_XYZ_D50,ProPhoto_RGB_to_XYZ_D50,XYZ_D50_to_HSL,XYZ_D50_to_HWB,XYZ_D50_to_LCH,XYZ_D50_to_Lab,XYZ_D50_to_OKLCH,XYZ_D50_to_OKLab,XYZ_D50_to_P3,XYZ_D50_to_ProPhoto,XYZ_D50_to_XYZ_D50,XYZ_D50_to_XYZ_D65,XYZ_D50_to_a98_RGB,XYZ_D50_to_lin_P3,XYZ_D50_to_lin_sRGB,XYZ_D50_to_rec_2020,XYZ_D50_to_sRGB,XYZ_D65_to_XYZ_D50,XYZ_to_OKLab,XYZ_to_lin_P3,XYZ_to_lin_sRGB,a98_RGB_to_XYZ_D50,clip,contrast_ratio_wcag_2_1,gam_P3,gam_sRGB,inGamut,lin_P3,lin_P3_to_XYZ,lin_P3_to_XYZ_D50,lin_sRGB,lin_sRGB_to_XYZ,lin_sRGB_to_XYZ_D50,mapGamut,mapGamutRayTrace,d as namedColors,rec_2020_to_XYZ_D50,sRGB_to_XYZ_D50};
diff --git a/packages/color-helpers/scripts/hashes.json b/packages/color-helpers/scripts/hashes.json
index 2f8eabfee..521b4d3d0 100644
--- a/packages/color-helpers/scripts/hashes.json
+++ b/packages/color-helpers/scripts/hashes.json
@@ -1,10 +1,10 @@
 [
 	"384d52db3fcd98381e18743e1eba590a",
-	"cd99f5e1c28fc9df18684e351049e7a6",
+	"a69bf3dc21cfcc876c80ee311ca85f90",
 	"094c9859b0960c4e394947cc4832b54f",
 	"c9e2f2a3b2cba543a01cb8aa5d77c04a",
 	"7aba804ac76ce5d733956b4251194344",
-	"d575d036af8c4a813217192a15982021",
+	"38c990a8de107bb30600ef3288e1b391",
 	"f912dea8d7d9813556f3ece0730f5392",
-	"45dd3fb5a146c0865a4ed06d4d230eb0"
+	"cf51b4aff9abf7a7eff417c62a3b126d"
 ]
\ No newline at end of file
diff --git a/packages/color-helpers/src/conversions/gam-2020.ts b/packages/color-helpers/src/conversions/gam-2020.ts
index c06d78747..743c5e0df 100644
--- a/packages/color-helpers/src/conversions/gam-2020.ts
+++ b/packages/color-helpers/src/conversions/gam-2020.ts
@@ -15,16 +15,9 @@ export function gam_2020(RGB: Color): Color {
 	]
 }
 
-const α = 1.09929682680944;
-const β = 0.018053968510807;
-
 function gam_2020_channel(val: number): number {
 	const sign = val < 0 ? -1 : 1;
 	const abs = Math.abs(val);
 
-	if (abs > β) {
-		return sign * (α * Math.pow(abs, 0.45) - (α - 1));
-	}
-
-	return 4.5 * val;
+	return sign * Math.pow(abs, 1 / 2.4);
 }
diff --git a/packages/color-helpers/src/conversions/lab-to-lch.ts b/packages/color-helpers/src/conversions/lab-to-lch.ts
index a750ecfba..1cad9cdb8 100644
--- a/packages/color-helpers/src/conversions/lab-to-lch.ts
+++ b/packages/color-helpers/src/conversions/lab-to-lch.ts
@@ -5,11 +5,21 @@ import type { Color } from '../types/color';
  * @copyright This software or document includes material copied from or derived from https://github.com/w3c/csswg-drafts/blob/main/css-color-4/conversions.js. Copyright © 2022 W3C® (MIT, ERCIM, Keio, Beihang).
  */
 export function Lab_to_LCH(Lab: Color): Color {
-	// Convert to polar form
-	const hue = Math.atan2(Lab[2], Lab[1]) * 180 / Math.PI;
+	const epsilon = 0.0015;
+	const chroma = Math.sqrt(Math.pow(Lab[1], 2) + Math.pow(Lab[2], 2)); // Chroma
+
+	let hue = Math.atan2(Lab[2], Lab[1]) * 180 / Math.PI;
+	if (hue < 0) {
+		hue = hue + 360;
+	}
+
+	if (chroma <= epsilon) {
+		hue = NaN;
+	}
+
 	return [
 		Lab[0], // L is still L
-		Math.sqrt(Math.pow(Lab[1], 2) + Math.pow(Lab[2], 2)), // Chroma
-		hue >= 0 ? hue : hue + 360, // Hue, in degrees [0 to 360)
+		chroma, // Chroma
+		hue // Hue, in degrees [0 to 360)
 	];
 }
diff --git a/packages/color-helpers/src/conversions/lin-2020.ts b/packages/color-helpers/src/conversions/lin-2020.ts
index 853dfcb26..1dc960aaa 100644
--- a/packages/color-helpers/src/conversions/lin-2020.ts
+++ b/packages/color-helpers/src/conversions/lin-2020.ts
@@ -16,16 +16,9 @@ export function lin_2020(RGB: Color): Color {
 	]
 }
 
-const α = 1.09929682680944;
-const β = 0.018053968510807;
-
 function lin_2020_channel(val: number): number {
 	const sign = val < 0 ? -1 : 1;
 	const abs = Math.abs(val);
 
-	if (abs < β * 4.5) {
-		return val / 4.5;
-	}
-
-	return sign * (Math.pow((abs + α - 1) / α, 1 / 0.45));
+	return sign * Math.pow(abs, 2.4);
 }
diff --git a/packages/color-helpers/src/conversions/oklab-to-oklch.ts b/packages/color-helpers/src/conversions/oklab-to-oklch.ts
index 536add344..36e4be681 100644
--- a/packages/color-helpers/src/conversions/oklab-to-oklch.ts
+++ b/packages/color-helpers/src/conversions/oklab-to-oklch.ts
@@ -6,10 +6,21 @@ import type { Color } from '../types/color';
  * @see https://github.com/w3c/csswg-drafts/blob/main/css-color-4/conversions.js
  */
 export function OKLab_to_OKLCH(OKLab: Color): Color {
-	const hue = Math.atan2(OKLab[2], OKLab[1]) * 180 / Math.PI;
+	const epsilon = 0.000004;
+	const chroma = Math.sqrt(OKLab[1] ** 2 + OKLab[2] ** 2);
+
+	let hue = Math.atan2(OKLab[2], OKLab[1]) * 180 / Math.PI;
+	if (hue < 0) {
+		hue = hue + 360;
+	}
+
+	if (chroma <= epsilon) {
+		hue = NaN;
+	}
+
 	return [
 		OKLab[0], // L is still L
-		Math.sqrt(OKLab[1] ** 2 + OKLab[2] ** 2), // Chroma
-		hue >= 0 ? hue : hue + 360, // Hue, in degrees [0 to 360)
+		chroma,
+		hue
 	];
 }
diff --git a/packages/color-helpers/src/conversions/srgb-to-hsl.ts b/packages/color-helpers/src/conversions/srgb-to-hsl.ts
index 01da718e1..b42f76abc 100644
--- a/packages/color-helpers/src/conversions/srgb-to-hsl.ts
+++ b/packages/color-helpers/src/conversions/srgb-to-hsl.ts
@@ -63,6 +63,11 @@ export function sRGB_to_HSL(RGB: Color): Color {
 		hue -= 360;
 	}
 
+	const epsilon = 1 / 100_000;   // max Sat is 1, in this code
+	if (sat <= epsilon) {
+		hue = NaN;
+	}
+
 	return [
 		hue,
 		sat * 100,
diff --git a/packages/color-helpers/src/conversions/xyz/index.ts b/packages/color-helpers/src/conversions/xyz/index.ts
index 5ce2b3ee6..3c79170bf 100644
--- a/packages/color-helpers/src/conversions/xyz/index.ts
+++ b/packages/color-helpers/src/conversions/xyz/index.ts
@@ -135,8 +135,15 @@ export function XYZ_D50_to_HWB(x: Color): Color {
 	const srgb = gam_sRGB(y);
 
 	const white = Math.min(srgb[0], srgb[1], srgb[2]);
-	const black = 1 - Math.max(srgb[0], srgb[1], srgb[2]);
-	return [sRGB_to_Hue(srgb), white * 100, black * 100];
+	const black = 1 - Math.max(srgb[0], srgb[1], srgb[2])
+
+	let hue = sRGB_to_Hue(srgb);
+	const epsilon = 1 / 100_000;  // account for multiply by 100
+	if (white + black >= 1 - epsilon) {
+		hue = NaN;
+	}
+
+	return [hue, white * 100, black * 100];
 }
 
 /**
diff --git a/packages/css-color-parser/test/basic/color-function.mjs b/packages/css-color-parser/test/basic/color-function.mjs
index f871d79db..2d34f1710 100644
--- a/packages/css-color-parser/test/basic/color-function.mjs
+++ b/packages/css-color-parser/test/basic/color-function.mjs
@@ -19,7 +19,7 @@ const tests = [
 	['color(a98-rgb 0.565 1 0.234)', 'rgb(1, 255, 0)'],
 	['color(prophoto-rgb 0.5402796954751572 0.9275945561561767 0.30435477084804174)', 'rgb(1, 255, 0)'],
 	['color(display-p3 0.45844420720487417 0.9852652233445233 0.29798036139719497)', 'rgb(1, 255, 0)'],
-	['color(rec2020 0.5675603321833232 0.9592792129938423 0.2686829491074993)', 'rgb(1, 255, 0)'],
+	['color(rec2020 0.6296393406173314 0.9656623497977268 0.3632776716731966)', 'rgb(1, 255, 0)'],
 	['color(xyz-d50 0.3851458288094242 0.7168862873215868 0.09696013568183873)', 'rgb(1, 255, 0)'],
 	['color(xyz-d65 0.35757130434515494 0.7151655154354521 0.11903355225337156)', 'rgb(1, 255, 0)'],
 	['color(xyz 0.35757130434515494 0.7151655154354521 0.11903355225337156)', 'rgb(1, 255, 0)'],
@@ -29,7 +29,7 @@ const tests = [
 	['color(a98-rgb 0.265 0.5134 0.5344)', 'rgb(0, 131, 135)'],
 	['color(prophoto-rgb 0.28284813138491105 0.41695332740189284 0.4586239337463392)', 'rgb(0, 131, 135)'],
 	['color(display-p3 0.18049383596973329 0.5091259470889726 0.5339002129941044)', 'rgb(0, 131, 135)'],
-	['color(rec2020 0.24657637908526203 0.44994210472189566 0.486194553499425)', 'rgb(0, 131, 135)'],
+	['color(rec2020 0.3584374937329418 0.5234107856368522 0.548844528912945)', 'rgb(0, 131, 135)'],
 	['color(xyz-d50 0.11786343156307554 0.1771045882551784 0.2028294891298204)', 'rgb(0, 131, 135)'],
 	['color(xyz-d65 0.12135537506539545 0.1797988884168019 0.2676568254682071)', 'rgb(0, 131, 135)'],
 	['color(xyz 0.12135537506539545 0.1797988884168019 0.2676568254682071)', 'rgb(0, 131, 135)'],
@@ -39,7 +39,7 @@ const tests = [
 	['color(a98-rgb 0.8035122804301492 0.484896415622613 0.9440692746539695)', 'rgb(229, 125, 245)'],
 	['color(prophoto-rgb 0.7596595159204217 0.4934889951894072 0.8985832663171222)', 'rgb(229, 125, 245)'],
 	['color(display-p3 0.843565234 0.509345345 0.9342344435)', 'rgb(229, 125, 245)'],
-	['color(rec2020 0.7728366085950608 0.49153213847089583 0.9202627474826224)', 'rgb(229, 125, 245)'],
+	['color(rec2020 0.8075367152908116 0.5641142016050468 0.9339114003184052)', 'rgb(229, 125, 245)'],
 	['color(xyz-d50 0.5501693084815327 0.37536346388820246 0.6806345611398199)', 'rgb(229, 125, 245)'],
 	['color(xyz-d65 0.5600582450343325 0.37782875858447507 0.904570025128693)', 'rgb(229, 125, 245)'],
 	['color(xyz 0.5600582450343325 0.37782875858447507 0.904570025128693)', 'rgb(229, 125, 245)'],
diff --git a/packages/css-color-parser/test/basic/color-mix-function.mjs b/packages/css-color-parser/test/basic/color-mix-function.mjs
index 6403d1708..cfbf770e1 100644
--- a/packages/css-color-parser/test/basic/color-mix-function.mjs
+++ b/packages/css-color-parser/test/basic/color-mix-function.mjs
@@ -10,7 +10,7 @@ const tests = [
 	['color-mix(in srgb, green 40%, color(a98-rgb 0.8035122804301492 0.484896415622613 0.9440692746539695))', 'rgb(137, 126, 147)'],
 	['color-mix(in srgb, green 40%, color(prophoto-rgb 0.7596595159204217 0.4934889951894072 0.8985832663171222))', 'rgb(137, 126, 147)'],
 	['color-mix(in srgb, green 40%, color(display-p3 0.843565234 0.509345345 0.9342344435))', 'rgb(137, 126, 147)'],
-	['color-mix(in srgb, green 40%, color(rec2020 0.7728366085950608 0.49153213847089583 0.9202627474826224))', 'rgb(137, 126, 147)'],
+	['color-mix(in srgb, green 40%, color(rec2020 0.807076644727751 0.5627572708703388 0.9326528689276063))', 'rgb(137, 126, 147)'],
 	['color-mix(in srgb, green 40%, color(xyz-d50 0.5501693084815327 0.37536346388820246 0.6806345611398199))', 'rgb(137, 126, 147)'],
 	['color-mix(in srgb, green 40%, color(xyz-d65 0.5600582450343325 0.37782875858447507 0.904570025128693))', 'rgb(137, 126, 147)'],
 	['color-mix(in srgb, green 40%, color(xyz 0.5600582450343325 0.37782875858447507 0.904570025128693))', 'rgb(137, 126, 147)'],
@@ -22,7 +22,7 @@ const tests = [
 	['color-mix(in srgb-linear, green 40%, color(a98-rgb 0.8035122804301492 0.484896415622613 0.9440692746539695))', 'rgb(182, 126, 195)'],
 	['color-mix(in srgb-linear, green 40%, color(prophoto-rgb 0.7596595159204217 0.4934889951894072 0.8985832663171222))', 'rgb(182, 126, 195)'],
 	['color-mix(in srgb-linear, green 40%, color(display-p3 0.843565234 0.509345345 0.9342344435))', 'rgb(182, 126, 195)'],
-	['color-mix(in srgb-linear, green 40%, color(rec2020 0.7728366085950608 0.49153213847089583 0.9202627474826224))', 'rgb(182, 126, 195)'],
+	['color-mix(in srgb-linear, green 40%, color(rec2020 0.807076644727751 0.5627572708703388 0.9326528689276063))', 'rgb(182, 126, 195)'],
 	['color-mix(in srgb-linear, green 40%, color(xyz-d50 0.5501693084815327 0.37536346388820246 0.6806345611398199))', 'rgb(182, 126, 195)'],
 	['color-mix(in srgb-linear, green 40%, color(xyz-d65 0.5600582450343325 0.37782875858447507 0.904570025128693))', 'rgb(182, 126, 195)'],
 	['color-mix(in srgb-linear, green 40%, color(xyz 0.5600582450343325 0.37782875858447507 0.904570025128693))', 'rgb(182, 126, 195)'],
@@ -34,7 +34,7 @@ const tests = [
 	['color-mix(in xyz-d50, green 40%, color(a98-rgb 0.8035122804301492 0.484896415622613 0.9440692746539695))', 'rgb(182, 126, 195)'],
 	['color-mix(in xyz-d50, green 40%, color(prophoto-rgb 0.7596595159204217 0.4934889951894072 0.8985832663171222))', 'rgb(182, 126, 195)'],
 	['color-mix(in xyz-d50, green 40%, color(display-p3 0.843565234 0.509345345 0.9342344435))', 'rgb(182, 126, 195)'],
-	['color-mix(in xyz-d50, green 40%, color(rec2020 0.7728366085950608 0.49153213847089583 0.9202627474826224))', 'rgb(182, 126, 195)'],
+	['color-mix(in xyz-d50, green 40%, color(rec2020 0.807076644727751 0.5627572708703388 0.9326528689276063))', 'rgb(182, 126, 195)'],
 	['color-mix(in xyz-d50, green 40%, color(xyz-d50 0.5501693084815327 0.37536346388820246 0.6806345611398199))', 'rgb(182, 126, 195)'],
 	['color-mix(in xyz-d50, green 40%, color(xyz-d65 0.5600582450343325 0.37782875858447507 0.904570025128693))', 'rgb(182, 126, 195)'],
 	['color-mix(in xyz-d50, green 40%, color(xyz 0.5600582450343325 0.37782875858447507 0.904570025128693))', 'rgb(182, 126, 195)'],
@@ -46,7 +46,7 @@ const tests = [
 	['color-mix(in hsl, green 40%, color(a98-rgb 0.8035122804301492 0.484896415622613 0.9440692746539695))', 'rgb(28, 88, 245)'],
 	['color-mix(in hsl, green 40%, color(prophoto-rgb 0.7596595159204217 0.4934889951894072 0.8985832663171222))', 'rgb(28, 88, 245)'],
 	['color-mix(in hsl, green 40%, color(display-p3 0.843565234 0.509345345 0.9342344435))', 'rgb(28, 88, 245)'],
-	['color-mix(in hsl, green 40%, color(rec2020 0.7728366085950608 0.49153213847089583 0.9202627474826224))', 'rgb(28, 88, 245)'],
+	['color-mix(in hsl, green 40%, color(rec2020 0.807076644727751 0.5627572708703388 0.9326528689276063))', 'rgb(28, 88, 245)'],
 	['color-mix(in hsl, green 40%, color(xyz-d50 0.5501693084815327 0.37536346388820246 0.6806345611398199))', 'rgb(28, 88, 245)'],
 	['color-mix(in hsl, green 40%, color(xyz-d65 0.5600582450343325 0.37782875858447507 0.904570025128693))', 'rgb(28, 88, 245)'],
 	['color-mix(in hsl, green 40%, color(xyz 0.5600582450343325 0.37782875858447507 0.904570025128693))', 'rgb(28, 88, 245)'],
@@ -58,7 +58,7 @@ const tests = [
 	['color-mix(in oklch, green 40%, color(a98-rgb 0.8035122804301492 0.484896415622613 0.9440692746539695))', 'rgb(0, 148, 253)'],
 	['color-mix(in oklch, green 40%, color(prophoto-rgb 0.7596595159204217 0.4934889951894072 0.8985832663171222))', 'rgb(0, 148, 253)'],
 	['color-mix(in oklch, green 40%, color(display-p3 0.843565234 0.509345345 0.9342344435))', 'rgb(0, 148, 253)'],
-	['color-mix(in oklch, green 40%, color(rec2020 0.7728366085950608 0.49153213847089583 0.9202627474826224))', 'rgb(0, 148, 253)'],
+	['color-mix(in oklch, green 40%, color(rec2020 0.807076644727751 0.5627572708703388 0.9326528689276063))', 'rgb(0, 148, 253)'],
 	['color-mix(in oklch, green 40%, color(xyz-d50 0.5501693084815327 0.37536346388820246 0.6806345611398199))', 'rgb(0, 148, 253)'],
 	['color-mix(in oklch, green 40%, color(xyz-d65 0.5600582450343325 0.37782875858447507 0.904570025128693))', 'rgb(0, 148, 253)'],
 	['color-mix(in oklch, green 40%, color(xyz 0.5600582450343325 0.37782875858447507 0.904570025128693))', 'rgb(0, 148, 253)'],
diff --git a/plugins/postcss-color-function/test/basic.css b/plugins/postcss-color-function/test/basic.css
index 65efd1e03..535ce48ca 100644
--- a/plugins/postcss-color-function/test/basic.css
+++ b/plugins/postcss-color-function/test/basic.css
@@ -193,7 +193,7 @@
 	color-3: color(a98-rgb 0.265 0.5134 0.5344);
 	color-4: color(prophoto-rgb 0.28284813138491105 0.41695332740189284 0.4586239337463392);
 	color-5: color(display-p3 0.18049383596973329 0.5091259470889726 0.5339002129941044);
-	color-6: color(rec2020 0.24657637908526203 0.44994210472189566 0.486194553499425);
+	color-6: color(rec2020 0.3584374937329418 0.5234107856368522 0.548844528912945);
 	color-7: color(xyz-d50 0.11786343156307554 0.1771045882551784 0.2028294891298204);
 	color-8: color(xyz-d65 0.12135537506539545 0.1797988884168019 0.2676568254682071);
 	color-9: color(xyz 0.12135537506539545 0.1797988884168019 0.2676568254682071);
@@ -205,7 +205,7 @@
 	color-3: color(a98-rgb 0.8035122804301492 0.484896415622613 0.9440692746539695);
 	color-4: color(prophoto-rgb 0.7596595159204217 0.4934889951894072 0.8985832663171222);
 	color-5: color(display-p3 0.843565234 0.509345345 0.9342344435);
-	color-6: color(rec2020 0.7728366085950608 0.49153213847089583 0.9202627474826224);
+	color-6: color(rec2020 0.8075367152908116 0.5641142016050468 0.9339114003184052);
 	color-7: color(xyz-d50 0.5501693084815327 0.37536346388820246 0.6806345611398199);
 	color-8: color(xyz-d65 0.5600582450343325 0.37782875858447507 0.904570025128693);
 	color-9: color(xyz 0.5600582450343325 0.37782875858447507 0.904570025128693);
diff --git a/plugins/postcss-color-function/test/basic.expect.css b/plugins/postcss-color-function/test/basic.expect.css
index 70062d567..90a079d81 100644
--- a/plugins/postcss-color-function/test/basic.expect.css
+++ b/plugins/postcss-color-function/test/basic.expect.css
@@ -181,7 +181,7 @@
 	color-3: rgb(1, 255, 0);
 	color-4: rgb(1, 255, 0);
 	color-5: rgb(1, 255, 0);
-	color-6: rgb(1, 255, 0);
+	color-6: rgb(0, 248, 51);
 	color-7: rgb(1, 255, 0);
 	color-8: rgb(1, 255, 0);
 	color-9: rgb(1, 255, 0);
diff --git a/plugins/postcss-color-function/test/basic.preserve-true.expect.css b/plugins/postcss-color-function/test/basic.preserve-true.expect.css
index df3fea1e9..e776c2a9c 100644
--- a/plugins/postcss-color-function/test/basic.preserve-true.expect.css
+++ b/plugins/postcss-color-function/test/basic.preserve-true.expect.css
@@ -261,7 +261,7 @@
 	color-4: color(prophoto-rgb 0.5402796954751572 0.9275945561561767 0.30435477084804174);
 	color-5: rgb(1, 255, 0);
 	color-5: color(display-p3 0.45844420720487417 0.9852652233445233 0.29798036139719497);
-	color-6: rgb(1, 255, 0);
+	color-6: rgb(0, 248, 51);
 	color-6: color(rec2020 0.5675603321833232 0.9592792129938423 0.2686829491074993);
 	color-7: rgb(1, 255, 0);
 	color-7: color(xyz-d50 0.3851458288094242 0.7168862873215868 0.09696013568183873);
@@ -283,7 +283,7 @@
 	color-5: rgb(0, 131, 135);
 	color-5: color(display-p3 0.18049383596973329 0.5091259470889726 0.5339002129941044);
 	color-6: rgb(0, 131, 135);
-	color-6: color(rec2020 0.24657637908526203 0.44994210472189566 0.486194553499425);
+	color-6: color(rec2020 0.3584374937329418 0.5234107856368522 0.548844528912945);
 	color-7: rgb(0, 131, 135);
 	color-7: color(xyz-d50 0.11786343156307554 0.1771045882551784 0.2028294891298204);
 	color-8: rgb(0, 131, 135);
@@ -304,7 +304,7 @@
 	color-5: rgb(229, 125, 245);
 	color-5: color(display-p3 0.843565234 0.509345345 0.9342344435);
 	color-6: rgb(229, 125, 245);
-	color-6: color(rec2020 0.7728366085950608 0.49153213847089583 0.9202627474826224);
+	color-6: color(rec2020 0.8075367152908116 0.5641142016050468 0.9339114003184052);
 	color-7: rgb(229, 125, 245);
 	color-7: color(xyz-d50 0.5501693084815327 0.37536346388820246 0.6806345611398199);
 	color-8: rgb(229, 125, 245);
diff --git a/plugins/postcss-color-function/test/basic.with-cloned-rules.expect.css b/plugins/postcss-color-function/test/basic.with-cloned-rules.expect.css
index 563602fd1..cfd566f5e 100644
--- a/plugins/postcss-color-function/test/basic.with-cloned-rules.expect.css
+++ b/plugins/postcss-color-function/test/basic.with-cloned-rules.expect.css
@@ -261,7 +261,7 @@
 	color-4: color(prophoto-rgb 0.5402796954751572 0.9275945561561767 0.30435477084804174);
 	color-5: rgb(1, 255, 0);
 	color-5: color(display-p3 0.45844420720487417 0.9852652233445233 0.29798036139719497);
-	color-6: rgb(1, 255, 0);
+	color-6: rgb(0, 248, 51);
 	color-6: color(rec2020 0.5675603321833232 0.9592792129938423 0.2686829491074993);
 	color-7: rgb(1, 255, 0);
 	color-7: color(xyz-d50 0.3851458288094242 0.7168862873215868 0.09696013568183873);
@@ -283,7 +283,7 @@
 	color-5: rgb(0, 131, 135);
 	color-5: color(display-p3 0.18049383596973329 0.5091259470889726 0.5339002129941044);
 	color-6: rgb(0, 131, 135);
-	color-6: color(rec2020 0.24657637908526203 0.44994210472189566 0.486194553499425);
+	color-6: color(rec2020 0.3584374937329418 0.5234107856368522 0.548844528912945);
 	color-7: rgb(0, 131, 135);
 	color-7: color(xyz-d50 0.11786343156307554 0.1771045882551784 0.2028294891298204);
 	color-8: rgb(0, 131, 135);
@@ -304,7 +304,7 @@
 	color-5: rgb(229, 125, 245);
 	color-5: color(display-p3 0.843565234 0.509345345 0.9342344435);
 	color-6: rgb(229, 125, 245);
-	color-6: color(rec2020 0.7728366085950608 0.49153213847089583 0.9202627474826224);
+	color-6: color(rec2020 0.8075367152908116 0.5641142016050468 0.9339114003184052);
 	color-7: rgb(229, 125, 245);
 	color-7: color(xyz-d50 0.5501693084815327 0.37536346388820246 0.6806345611398199);
 	color-8: rgb(229, 125, 245);