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[css-color] Working Color Space · Issue #300 · w3c/csswg-drafts · GitHub
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https://drafts.csswg.org/css-color/#working-color-space
Resolved at San Francisco to add a working-color-space at-rule, which affects the entire document. Compositing, interpolation, blending use this. Initial value is sRGB. linear-sRGB, p3, rec2020, and lab were also discussed as values. Chris to read the canvas spec to see what it does there, particularly for the "optimal" value.
argyleink and akd-io
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