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conformance · v151

v151 · relative-alpha-colors-css-color-5-alpha-function — conformance probe

3 assertions drawn from the spec. Each is a single contract the spec text makes. Pass/fail reflects what this browser executed; blocked means the contract was not run because it needs user mediation, hardware, or another unavailable precondition. Open the page in Chrome stable / canary / Firefox / Safari to compare.

browser: spec: https://drafts.csswg.org/css-color-5/#relative-alpha chromestatus: #5070160203481088 generated 2026-07-18T17:30:00Z by weekly-hardening-routine
0
pass
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fail
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blocked
3
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id contract kind verdict detail
relative-color-base-supported Relative color syntax (rgb(from <color> r g b)) is supported. spec ↗ css-supports
relative-alpha-keyword-in-alpha-slot The alpha keyword can be used (and computed on) in the alpha channel slot of a relative color. spec ↗ css-supports
relative-alpha-in-hsl Relative alpha math also works inside hsl(). spec ↗ css-supports