Summary
A straightforward color utility server that plugs into Claude via Cloudflare Workers. You get color conversions (hex, RGB, HSL), harmony generation (complementary, triadic, analogous, split, tetradic, monochromatic), gradient interpolation, and WCAG contrast checking. It can also spit out CSS variables or Tailwind config from color arrays. Useful when you're building UIs in a conversation and need to generate accessible palettes, check contrast ratios, or export design tokens without switching to Figma or a color picker. The free tier works for light use, and there's a Pro plan if you need higher rate limits across the lazymac API suite.
Keeps your Mac awake while Claude Code, Codex or Cursor works. Lets it sleep when they are done.
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color-palette-api
⭐ Building in public from $0 MRR. Star if you want to follow the journey — lazymac-mcp (42 tools, one MCP install) · lazymac-k-mcp (Korean wedge) · lazymac-sdk (TS client) · api.lazy-mac.com · Pro $29/mo.
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Color palette generation API — harmonies, gradients, contrast checking, WCAG accessibility scoring, CSS/Tailwind output. Zero external dependencies.
Quick Start
npm install && npm start # http://localhost:4000
Endpoints
Convert
curl http://localhost:4000/api/v1/convert/ff6b35
# → {"hex":"#ff6b35","rgb":{"r":255,"g":107,"b":53},"hsl":{"h":16,"s":100,"l":60}}
Color Harmonies
# Types: complementary, analogous, triadic, split, tetradic, monochromatic
curl http://localhost:4000/api/v1/harmony/complementary/ff6b35
curl http://localhost:4000/api/v1/harmony/triadic/3498db
curl http://localhost:4000/api/v1/harmony/monochromatic/e74c3c?count=7
Gradient
curl "http://localhost:4000/api/v1/gradient/ff6b35/3498db?steps=7"
# → colors array + CSS gradient string
Contrast / WCAG Accessibility
curl http://localhost:4000/api/v1/contrast/000000/ffffff
# → {"ratio":21,"AA_normal":true,"AA_large":true,"AAA_normal":true,"AAA_large":true}
curl http://localhost:4000/api/v1/contrast/ff6b35/ffffff
# → Check if your orange text passes accessibility on white background
Random Palette
curl "http://localhost:4000/api/v1/random?count=5"
CSS Variables
curl -X POST http://localhost:4000/api/v1/css \
-H "Content-Type: application/json" \
-d '{"colors":["#ff6b35","#3498db","#2ecc71"], "name":"brand"}'
Tailwind Config
curl -X POST http://localhost:4000/api/v1/tailwind \
-H "Content-Type: application/json" \
-d '{"colors":["#fef3c7","#fde68a","#fcd34d","#fbbf24","#f59e0b","#d97706","#b45309","#92400e","#78350f","#451a03"], "name":"amber"}'
License
MIT
💡 Host your own stack? Get $200 DigitalOcean credit via lazymac referral link.
Featured
Keeps your Mac awake while Claude Code, Codex or Cursor works. Lets it sleep when they are done.
Try free for 7 days →Block distracting apps from your iPhone permanently without a 3rd party app. Free and open source.
Block now (100% free) →Notes, actions and memory. Without a meeting bot. First month 100% off.
Download for free →belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →Free an open-source skills that make AI coding agents easier to understand, verify, and control.
Download for free →Connect your Claude agent to live crypto prices and trading routes via 1inch
Get the MCP →