[css-color-6] Rename color-contrast()?

[LeaVerou]

color-contrast() looks like it's returning a contrast value, not a color. Perhaps contrasting-color() or color-contrasting() would be a better name?

[css-meeting-bot]

The CSS Working Group just discussed https://github.com/w3c/csswg-drafts/issues/7557, and agreed to the following:

• RESOLVED: Rename to contrast-color() (discussion in #7359)

The full IRC log of that discussion

<lea> subtopic: https://github.com//issues/7557
<emilio> github: https://github.com//issues/7557
<lea> github: https://github.com//issues/7557
<emilio> RESOLVED: Rename to contrast-color() (discussion in #7359)