Re: [csswg-drafts] [css-color-5] How should missing (`none`) components work with calc() on named components in the relative color syntax (#6920)

> For all other purposes, a [=missing component=] behaves as a zero value,
 in the appropriate unit for that component: ''0'', ''0%'', or ''0deg''.
 This includes rendering the color directly,
 converting it to another color space,
 **performing computations on the color component values,**
 etc.

> If a color with a [=missing component=] is serialized
 or otherwise presented directly to an author,
 **then for <a>legacy color syntax</a>
 it represents that component as a zero value;
 otherwise,**
 it represents that component as being the ''none'' keyword.

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Received on Wednesday, 19 January 2022 16:25:03 UTC