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Palette table (Re: COLRv1 to gray/alpha question (& color-blindness ques


From: Hin-Tak Leung
Subject: Palette table (Re: COLRv1 to gray/alpha question (& color-blindness question)
Date: Thu, 20 Jul 2023 16:05:56 +0000 (UTC)



On Wednesday, 19 July 2023 at 05:55:20 BST, Werner LEMBERG <wl@gnu.org> wrote:

> Different colour schemes are supported; the question is about
> defaults.  For example, let's assume that a font contains color
> schemes A and B, the latter suitable for (most) color-blind people.
> Let's further assume that scheme A doesn't render well on a grayscale
> device because of identical grayscale values.  Does COLRv1 contain any
> information to quickly decide which color scheme should be used for
> grayscale rendering?

I think the palette table already have classifications by dark vs light backgrounds. It might be useful for other attributes like "high-contrast / suitable for visually impaired" and "color-blind-friendly"?

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