Contrast checks with fixes, OKLCH harmonies, palettes, color-blind previews and code export.
Connect Remote server
claude mcp add --transport http colorpickr https://colorpickr.app/mcp
{
"mcpServers": {
"colorpickr": {
"url": "https://colorpickr.app/mcp"
}
}
}
{
"servers": {
"colorpickr": {
"type": "http",
"url": "https://colorpickr.app/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://colorpickr.app/mcp
Tools 6 found in our last check
check_contrastCheck text/background contrast with WCAG 2 ratio, APCA Lc and a suggested fix that keeps the hue.
convert_colorConvert a hex color to RGB, HSL and OKLCH.
generate_harmonyBuild a color harmony from a base color in OKLCH, mapped into the sRGB gamut.
roll_paletteGenerate a 5-color palette that always contains a light/dark pair passing WCAG AA; optionally keep locked colors.
export_paletteTurn a list of colors into code for CSS, Tailwind, SwiftUI, Android, Flutter and other formats ColorPickr supports.
simulate_color_visionShow how colors look with protanopia, deuteranopia, tritanopia or achromatopsia (Machado 2009).
Details
| Endpoint | https://colorpickr.app/mcp (Streamable HTTP) |
| First published | 23 Oct 2026 |
| Last updated | 23 Oct 2026 |
| Registry name | app.colorpickr/colorpickr |
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