Re: [csswg-drafts] [css-color-4] Missing info about Premultiplication and Undefined values (#7536)

> <fantasai> TabAtkins: treat none as zero, convert it over, remember that the hue was zero, and then none it
<fantasai> lea: so would need to rmeember that hue in hsl and lch relate
<fantasai> TabAtkins: chroma and saturation should also map
<fantasai> TabAtkins: lightness should map
...
<fantasai> RESOLVED: Specify how none is carried across color space conversion to a related component on the other side

I just committed some spec prose and a table of analogous color components, plus an examle of carrying forward a missing value.

@tabatkins @LeaVerou @dbaron @facelessuser please [take a look](https://drafts.csswg.org/css-color-4/#interpolation-missing) once the spec regenerates

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Received on Thursday, 1 September 2022 14:59:50 UTC