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Notes on color, OKLCH ramps, Tailwind scales, and building a free shade tool.

• June 14, 2026

  UIshades outgrew 0to255: full palettes, and an API agents can call

  UIshades started as a free 0to255 replacement for tints and shades. It now builds multi-color palettes with semantic roles and exposes the same color data to AI agents over MCP and a no-auth JSON API.

• June 1, 2026

  We rebuilt 0to255 because it went paid. Here's what we learned.

  Free OKLCH-based shade generator with Tailwind exports and WCAG contrast badges, built on Astro + Cloudflare Workers as a 0to255 replacement.