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conformance · v147

v147 · css-contrast-color — conformance probe

6 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/#contrast-color chromestatus: #4841046007742464 generated 2026-06-01T08:14:09Z by conformance-author-v1-subagent
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pass
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fail
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blocked
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id contract kind verdict detail
contrast-color-supported-as-color contrast-color() is accepted in any property that expects a <color>. spec ↗ css-supports
contrast-color-on-background contrast-color() works in background-color too. spec ↗ css-supports
contrast-color-keyword-argument contrast-color() accepts named-color keyword arguments. spec ↗ css-supports
contrast-color-rgb-argument contrast-color() accepts modern color function arguments. spec ↗ css-supports
contrast-color-resolves-to-white-on-dark On a dark background contrast-color() resolves to white. spec ↗ script
contrast-color-resolves-to-black-on-light On a light background contrast-color() resolves to black. spec ↗ script