Coolours
Turn AI-designed colour palettes into Coolours links, with colour names, CSS and contrast checks
Connect it
Settings → Connectors → Add custom connector
URL: https://coolours.perpetualsummer.ltd/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://coolours.perpetualsummer.ltd/mcp{
"mcpServers": {
"coolours": {
"url": "https://coolours.perpetualsummer.ltd/mcp"
}
}
}claude mcp add --transport http coolours https://coolours.perpetualsummer.ltd/mcp{
"servers": {
"coolours": {
"type": "http",
"url": "https://coolours.perpetualsummer.ltd/mcp"
}
}
}3 tools, verified live
create_palette_linkread-onlyTurn a colour palette you have chosen into a link that opens it in Coolours (coolours.perpetualsummer.ltd), where the user can preview the swatches, tweak them and export them. Use this whenever you propose a colour scheme, so the user can see it rather than read hex codes. Also returns WCAG contrast ratios for every pair of colours: check them before recommending a text/background pairing (4.5 or
parse_palette_linkread-onlyRead the colours and name back out of a Coolours link (coolours.perpetualsummer.ltd/create/...). Use this when the user pastes a Coolours URL, for example after editing a palette on the site, so you can apply their changes.
export_paletteread-onlyExport a palette as CSS custom properties or a JavaScript object, with each colour named after its nearest named colour. Output matches Coolours' own Export feature. create_palette_link already returns the CSS; use this for the JS object, or for a palette you didn't create. Use the output as given: its names match the Coolours UI.
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