Changelog

Every release. One feed.

Eight distribution surfaces ship independently. Subscribe via RSS to get every release in one place.

Web app Public API Chrome ext Figma plugin VSCode ext CLI GitHub Action MCP server Raycast ext

Raycast extv0.1.0

Apr 1, 2026

Raycast extension: four commands in your macOS launcher

Generate Palette - prompt → 5-color OKLCH palette + per-color rationale; copy as HEX / JSON / CSS / Tailwind / share URL.
Check WCAG Contrast - Detail view with metadata sidebar (ratio, grade, full AA/AAA flags).
Convert Color - any CSS color → HEX / RGB / HSL / OKLCH / LAB.
Open Clipboard Palette - read hexes from clipboard, open as colorui.io/p/<hash>.
Configurable API base preference; no telemetry.

MCP serverv0.1.0

Apr 1, 2026

MCP server: ColorUI as a native tool for Claude, Cursor, Zed, Windsurf, Continue

Implements MCP 2024-11-05 over JSON-RPC stdio.
Four tools: generate palette, harmony palette, check WCAG contrast, convert color.
Zero dependencies, ~250 LOC pure JS.
One-line install: npx -y @colorui/mcp.

Public APIv1.0.0

Apr 1, 2026

OpenAPI 3.1 spec at /api/v1/openapi.json

Machine-readable contract for every public endpoint.
Importable to Postman, Bruno, Insomnia.
One-shot SDK generation via openapi-generator, Microsoft Kiota, openapi-zod-client.
Documents X-RateLimit-* headers and reusable error responses.

GitHub Actionv1.0.0

Apr 1, 2026

GitHub Action: block PRs that miss WCAG contrast

Composite action - no Docker, no bundled dist.
pairs: multiline input or fg: + bg: shortcut.
Writes Markdown table to $GITHUB_STEP_SUMMARY.
Emits per-pair PR annotations and exits 1 on failure.

CLIv0.1.0

Apr 1, 2026

CLI: `npx colorui palette "fintech dashboard"`

Four commands: palette, contrast, convert, open.
ANSI swatches via 24-bit truecolor; NO_COLOR respected.
Pipe-friendly: echo "#ff0080" | colorui convert - oklch.
Exits with code 2 on AA failure - drop into CI.
Zero dependencies, single file, Node 18+.

VSCode extv0.1.0

Apr 1, 2026

VSCode extension: inline swatches + hover WCAG contrast

DocumentColorProvider for hex, rgb(), hsl() in any language.
Hover popup shows contrast vs editor theme background, AAA/AA/AA-Large/Fail grade (computed locally).
Five commands: generate palette, check contrast, convert at cursor, open palette in browser, open colorui.io.
Three settings; pure JS, sideloadable.

Figma pluginv1.0.0

Apr 1, 2026

Figma plugin: prompt-to-palette inside Figma + FigJam

Four tabs: Generate, Apply, Contrast, Convert.
Apply distributes hexes round-robin across selected nodes.
networkAccess locked to colorui.io - Figma enforces it.
Light + dark UI via prefers-color-scheme.

Web appv2026.04

Apr 1, 2026

Shareable palette URLs at /p/<hash>

Server-rendered share page with OG image, JSON-LD, swatch grid.
"Share palette" button mounted into history.
Eight "Open in" deep links into every tool from a single URL.

Chrome extv0.4.1

Apr 1, 2026

Chrome extension v0.4.1 - permission narrowing + sync

<all_urls> moved to optional_host_permissions (least privilege).
Side panel + popup + omnibox + 3 keyboard commands.
Two-way palette sync with the web app via content script.
30 blog posts now syndicated to /feed.xml.

Public APIv1.0.0

Mar 15, 2026

Public API v1: convert, contrast, palette

Edge-runtime endpoints under /api/v1/*.
CORS open, no auth, 60 requests / minute / IP.
X-RateLimit-* headers on every response.
300s edge cache + stale-while-revalidate.