Re: [csswg-drafts] [css-color-5] Should colors nested in a parent color function (RCS, color-mix, light-dark, color-contrast) serialize in their most precision saving form (#10328)

> While I agree with your position on preserving the full precision of the specified color channels wherever possible, I do not think this historical content prevented preserving a channel value specified as a `<percentage>`/`<angle>`, or an out of range `<alpha-value>`, in `ok?lab()`, `ok?lch()`, `color()`.
> 
> So consistency might also need to be considered now, at least for normalizing channel values to `<number>`.

I think this is a fair critique. I could be persuaded that normalizing to an unclamped <number> is the right way to go for the channels, assuming there are no sharp edges I am forgetting (we don't have to worry about legacy rgb() percent turning into a number and becoming un-parsable, because we always serialize using the modern syntax which allows either in all channel slots). For alpha, we should just link to the [alpha serialization section](https://www.w3.org/TR/css-color-4/#serializing-alpha-values).

(overall, I think more standardization across CSS on how these serializations should work, and some mechanization of the process of specifying the rules would go a long way).

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Received on Tuesday, 3 September 2024 18:05:40 UTC