Vérificateur de Contraste
Vérifier le rapport de contraste WCAG entre deux couleurs
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À propos de cet outil
Check WCAG contrast ratio between two colors. Contrast Checker runs entirely in your browser — no installation, no file uploads, no account needed. Paste your input, get instant results, and download or copy them right away. It's built for quick tasks in the color & image category: one click, done, no clutter.
Comment le faire sans l’outil
- Define input and expected output for Vérificateur de Contraste.
- Normalize source data and choose the correct manual method.
- Execute the method in small verified steps.
- Cross-check the output with an alternate approach.
- Record assumptions and final result for reproducibility.
❓ FAQ
Is Contrast Checker free to use?
Yes, Contrast Checker is completely free. Just open the page, enter your data and get results instantly.
Do I need to install anything?
No. All processing happens in your browser — nothing to download, nothing to upload, your data never leaves your device.
Will my data be saved or shared?
Your input is processed locally in the browser. Nothing is stored on a server and nothing is shared with third parties.
Does it work on mobile?
Yes, the interface is fully responsive and works on phones, tablets and desktops alike.
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