Re: [csswg-drafts] [css-colors] Preserve powerless analogous components? (#8484)

Thanks for pointing out the unwelcome discontinuous behavior of missing values when _two_ interpolations are running, though, and one goes powerless at the end. That is a great example. And it is caused by the modal behavior of missing values: they either have power or they don't, rather than having a smooth fade off in power (which seems much harder to specify).

So for the simple case of, say, converting between two polar color spaces, this is why we call them _analogous_ components and not _identical_ components. It is intended to be a reasonable midway point between "make everything 0, so reddish for hue" and the sort of careful back-substitution that you describe. And it gives more-expected results in single interpolations.

But yeah that discontinuity can be awkward.


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Received on Wednesday, 22 February 2023 16:25:02 UTC