Runs 100% in your browser. Your files never leave this device.
How it works
- Add colours by hex, or import a palette from CSS variable text, a Tailwind snippet or JSON, up to 16 colours.
- The full N by N matrix scores every text on background pair for AA and AAA, normal and large text.
- Filter to passing pairs only, the combinations you can safely ship.
- Failing pairs get a nearest passing shade suggestion made by adjusting lightness only, so the hue stays on brand.
- Export a report CSV, CSS custom properties, or a Tailwind config with your colour names.