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Contrast Checker

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À propos de Contrast Checker

Check WCAG 2.1 contrast ratios between foreground and background colors. Validates AA and AAA compliance for both normal and large text.

Comment ça marche

Enter a foreground and background color (hex or rgb). The checker calculates the contrast ratio using WCAG 2.1's relative luminance formula and reports pass/fail for AA and AAA levels at normal and large text sizes.

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