Re: [csswg-drafts] [css-color-4][css-color-5] rgb-to-hwb algorithm disagrees indirectly with relative-color-out-of-gamut and color-mix-out-of-gamut expectations (#10695)

• From: Chris Lilley via GitHub <sysbot+gh@w3.org>
• Date: Wed, 07 Aug 2024 01:05:32 +0000
• To: public-css-archive@w3.org
• Message-ID: <issue_comment.created-2272428366-1722992730-sysbot+gh@w3.org>

Starting from CSS Color 4  [rgbToHSL](https://github.com/w3c/csswg-drafts/blob/main/css-color-4/rgbToHsl.js) and removing the negative saturation check, to create an rgbToHue, I end up with

```js
case red:   hue = (green - blue) / d + (green < blue ? 6 : 0); break;
```

while the codepen from @squelart  has

```js
case red:   hue = (green - blue) / d; break;
```

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Received on Wednesday, 7 August 2024 01:05:33 UTC