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Two developer & design tools, side-by-side. See which fits your task.
Developer & Design
Calculate WCAG contrast ratio between two colors.
Open Contrast RatioDeveloper & Design
Generate a full color palette from a brand color where all combinations pass WCAG AA contrast requirements.
Open A11y PaletteYour specific task is calculate wcag contrast ratio between two colors. Open the page, drop your input, get the result — typically under a second.
Your goal is generate a full color palette from a brand color where all combinations pass wcag aa contrast requirements. Same approach: paste in, get the result, move on. No account, no upload.
Both tools live in the same category, so the choice depends on the exact subtask. Contrast Ratio focuses on calculate wcag contrast ratio between two colors; A11y Palette focuses on generate a full color palette from a brand color where all combinations pass wcag aa contrast requirements. Try whichever description matches your goal more closely — they're both free.
Yes — both tools are free for unlimited personal use. The Pro plan unlocks higher limits and batch features but the core functionality stays free forever.
Absolutely. Many users chain multiple tools together — process a file with one, then feed the result into another. Nothing is uploaded, so chaining is essentially instant.
No. Both Contrast Ratio and A11y Palette work without signup. We only ask for an email if you decide to subscribe to a paid plan.