feat(css): Add missing css color() function

[skyclouds2001]

Description

this feature is supported in all major platform per bcd

some test log in chromium:

CSS.supports('color','color(from hsl(0 100% 50%) xyz calc(x - 0.3) calc(y + 0.3) calc(z + 0.3) / calc(alpha - 0.1))')
true
CSS.supports('color','color(from hsl(0 100% 50%) srgb calc(r - 0.4) calc(g + 0.1) calc(b + 0.6) / calc(alpha - 0.1))')
true
CSS.supports('color','color(from hsl(0 100% 50%) srgb calc(r - 0.4) calc(g + 0.1) calc(b + 0.6) / none)')
true
CSS.supports('color','color(display-p3 0.3804 0.9921 0.1412)')
true

Motivation

Additional details

https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/color
https://drafts.csswg.org/css-color-5/#funcdef-color
https://drafts.csswg.org/css-color/#funcdef-color

Related issues and pull requests

reported in #819

since this is the last case that not done in #819, so closes #819

[bsmth]

Nice, thank you. This is referencing module level 5, correct?

https://drafts.csswg.org/css-color-5/#color-function

[skyclouds2001]

Nice, thank you. This is referencing module level 5, correct?

https://drafts.csswg.org/css-color-5/#color-function

Yes!

[bsmth]

LGTM for module level 5. It feels like we're missing some member that describes the spec level the syntax targets, but again, that's for another day. Thank you!