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Contrast matrix

Check every colour pair in a palette against WCAG 2.2 thresholds at once, including states and translucent colours.

Paste a palette on each side and the matrix fills in.
Options

More color tools

- Contrast checker (/color/contrast)
- Color converter & contrast (/color/converter)
- Color palette generator (/color/palette)
All color tools (/color)

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Canonical HTML: https://nutter.tools/color/accessibility-contrast-matrix
Markdown version: https://nutter.tools/color/accessibility-contrast-matrix.md
Plain-text version: https://nutter.tools/color/accessibility-contrast-matrix.txt
Agent index: https://nutter.tools/llms.txt