Check every pair in a palette
check_paletteRead-onlyIdempotent
Contrast ratio for every pair of 2 to 12 colors (up to 66 pairs), highest first, each flagged against the chosen WCAG level. Use it to see which brand colors can be used together for text. Read-only. Same engine as GET /api/palette.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| level | No | WCAG target: aa 4.5:1 (default), aa-large 3:1, aaa 7:1, aaa-large 4.5:1, ui 3:1 (non-text). | aa |
| colors | Yes | 2 to 12 CSS colors. |
Output Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| count | Yes | ||
| level | No | ||
| notes | No | ||
| pairs | Yes | ||
| colors | No | ||
| target | No | ||
| passing | Yes | ||
| version | Yes |