The ultimate color toolkit for designers, decorators, artists, and creators. 40+ free tools, no sign-up, fast on every device.
Browse and apply curated themes for Codex Desktop on macOS and Windows
Stage
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Founded
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Based in
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Pricing model
Free
Freemium
Pricing
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Free: 6 published Free themes, free Plugin, offline Restore. Pro: US$9/year (Launch Sale, regularly US$19.90/year before applicable taxes), includes all 17 Pro themes, new releases, compatible updates, theme switching, and offline Restore. Renews annually until canceled. Manual refund requests withi
Key features
Palette Generator
Color Picker with HEX, RGB, HSL, OKLCH, LAB outputs
Image Color Extractor
WCAG and APCA Contrast Checker
Color Blindness Simulator
CSS Gradient Generator
Design Token Export W3C DTCG
Color Wheel Harmonies
Tailwind Color Palette
Material You Colors
Browse curated theme gallery
Apply themes from inside Codex
Switch or restore themes with confidence
Free open-source Plugin
Data-only theme packages
Automatic rollback on apply failure
Offline restore of official interface
Device authorization and approval flow
Compatible with macOS and Windows
Compatibility verification before applying themes
What makes it different
No sign-ups, no paywalls, runs entirely in browser
Perceptually uniform color math with OKLCH and LAB
Accessibility-first design with inline contrast and CVD simulation
ColorUI
Codex Skin