Proposed Resolution: Drop color-mix() colorspace argument from all UA styles for `appearance: base`

• From: Alan Stearns <stearns@adobe.com>
• Date: Mon, 16 Feb 2026 22:05:18 +0000
• To: "Cascading Style Sheets (CSS) Working Group" <www-style@w3.org>
• Message-ID: <SJ0PR02MB8497B60B43C112CC159194ADB46CA@SJ0PR02MB8497.namprd02.prod.outlook.com>

Hey all,

This is notice that we will be taking this resolution in one week’s time unless objections (or substantive concerns) are raised in this issue:

https://github.com/w3c/csswg-drafts/issues/13496#issuecomment-3910689747

Thanks,

Alan

Received on Monday, 16 February 2026 22:05:27 UTC