WCAG contrast & palettes
Connect Remote server
claude mcp add --transport http contrast-checker https://contrast-checker.zovo.one/mcp
{
"mcpServers": {
"contrast-checker": {
"url": "https://contrast-checker.zovo.one/mcp"
}
}
}
{
"servers": {
"contrast-checker": {
"type": "http",
"url": "https://contrast-checker.zovo.one/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://contrast-checker.zovo.one/mcp
Tools 3 found in our last check
check_color_contrastUse this when the user wants to know whether a text, icon or border colour has enough contrast against a background: a WCAG contrast checker for one colour pair (e.g. "does white text on #F59E0B pass WCAG AA", "contrast ratio of #767676 on white", "what text color for this backg…
check_palette_contrastUse this when the user has a colour palette (2 to 12 colours) and wants to know which combinations are accessible: "check contrast of my color palette", "which of these colors can I use for text", "accessible color palette checker". Returns the full pairwise WCAG 2.x contrast ma…
generate_accessible_paletteUse this when the user wants an accessible colour scale or palette built from one colour: "color palette generator from hex", "generate a 50-950 scale from #1E6FD9", "tailwind color palette generator", "accessible color palette for my website". Builds an 11-step 50-950 tonal sca…
Details
| Endpoint | https://contrast-checker.zovo.one/mcp (Streamable HTTP) |
| First published | 22 Oct 2026 |
| Last updated | 22 Oct 2026 |
| Registry name | io.github.theluckystrike/contrast-checker |
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