css.types.color.color-mix - Add support data for optional colorspace argument

[nt1m]

What type of issue is this?

Missing compatibility data

What information was incorrect, unhelpful, or incomplete?

https://developer.mozilla.org/en-US/docs/Web/CSS/Reference/Values/color_value/color-mix#browser_compatibility

What browsers does this problem apply to, if applicable?

No response

What did you expect to see?

https://webkit.org/blog/17640/webkit-features-for-safari-26-2/#:~:text=Previously%2C%20developers%20were,oklab%2C%20magenta%2C%20pink).

The compat data for color-mix(red, green) as a syntax (without the colorspace) is missing. It is only supported in Safari 26.2 and Firefox Nightly

Did you test this? If so, how?

.

Can you link to any release notes, bugs, pull requests, or MDN pages related to this?

https://webkit.org/blog/17640/webkit-features-for-safari-26-2/#:~:text=Previously%2C%20developers%20were,oklab%2C%20magenta%2C%20pink).

https://bugzilla.mozilla.org/show_bug.cgi?id=2002148

Do you have anything more you want to share?

No response

MDN URL

https://developer.mozilla.org/en-US/docs/Web/CSS/Reference/Values/color_value/color-mix

MDN metadata

MDN page report details

• Query: css.types.color.color-mix
• Report started: 2025-12-18T02:50:19.476Z

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[nt1m]

This is not spam! cc @Elchi3

[caugner]

Looking at the formal syntax, we can probably capture this as a subfeature <color-interpolation-method>:

browser-compat-data/css/types/color.json

Lines 207 to 242 in d64716c

	"color-mix": {
	"__compat": {
	"description": "`color-mix()`",
	"mdn_url": "https://developer.mozilla.org/docs/Web/CSS/Reference/Values/color_value/color-mix",
	"spec_url": "https://drafts.csswg.org/css-color-5/#color-mix",
	"tags": [
	"web-features:color-mix"
	],
	"support": {
	"chrome": {
	"version_added": "111"
	},
	"chrome_android": "mirror",
	"edge": "mirror",
	"firefox": {
	"version_added": "113"
	},
	"firefox_android": "mirror",
	"oculus": "mirror",
	"opera": "mirror",
	"opera_android": "mirror",
	"safari": {
	"version_added": "16.2"
	},
	"safari_ios": "mirror",
	"samsunginternet_android": "mirror",
	"webview_android": "mirror",
	"webview_ios": "mirror"
	},
	"status": {
	"experimental": false,
	"standard_track": true,
	"deprecated": false
	}
	}
	},