Design Tool
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Vérificateur de contraste de couleur gratuit
Verifiez le contraste WCAG des couleurs pour textes, fonds et palettes d interface. Test prive dans le navigateur avec resultats instantanes.
Color Picker & Formats
Use the picker above and read values below
Sauvegardé
Palette Generator
5
Contrast Checker (WCAG)
AA is for normal text (4.5:1), AAA is stricter (7:1), and Large AA applies to large text (3:1).
Gradient Generator
90deg
Extract Colors from Image
Upload an image and click extract to get dominant colors.
Pourquoi utiliser notre Color Contrast Checker gratuit en ligne ?
WCAG Compliance Checks
Test color combinations against WCAG AA, AAA, and Large AA requirements.
Clear Ratio Output
View exact contrast ratio values with pass/fail status for faster decisions.
Accessible Design Workflow
Validate text and background colors before publishing websites or UI updates.
Questions fréquemment posées
Est-ce que ce contrast checker est gratuit en ligne ?
Yes. This WCAG contrast checker is free online and runs directly in your browser.
What are AA, AAA, and Large AA?
AA requires 4.5:1 for normal text, AAA requires 7:1, and Large AA requires 3:1 for large text.
Can I check any foreground and background color pair?
Yes. You can pick any text and background colors and instantly see ratio and compliance.