Re: [csswg-drafts] [css-color-adjust][css-color] Expose user agent native theme colors to CSS (#12837)

Well, you didn’t provide any reference for these internal colors, so I’ll continue to assume you refer to those exposed in WebExtension themes or a very similar set. I see two ways to make them available in CSS: new/reused system color keywords or the same but inside `env()`. 

For privacy reasons (i.e. simpler user fingerprinting), that will probably be a tough sell. 

[RCS](https://drafts.csswg.org/css-color-5/#relative-colors) is part of the Color module from level 5. 

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Received on Thursday, 25 September 2025 09:50:11 UTC