Free online CMYK to Pantone color converter and color reference tools
Extract a design system from any website for AI
Stage
Not given
Not given
Founded
Not given
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Based in
Not given
US
Pricing model
Free
Freemium
Pricing
Not given
Free: 2 design packs a day without account, 5 per day with free account. Pro: $9 per month (or $90 per year) for 50 packs per month, any page of a site, private packs, MCP server and REST API.
Key features
CMYK to HEX converter
CMYK to RGB converter
Pantone to CMYK converter
HEX to CMYK converter
RGB to CMYK converter
Pantone color finder and search
Color reference charts by family
Browser-based with no registration required
Educational guides on CMYK and Pantone
DESIGN.md in Google's format describing colors, type, spacing, radii, shadows and components
BEHAVIOR.md covering hover, focus, tooltips, menus, motion, scrolling, tables, forms and dark mode
Screenshots at four widths: 1440, 1024, 768 and 390 pixels
W3C design tokens (DTCG) format for Style Dictionary and Figma plugins
CSS custom properties with all design values
Tailwind v4 theme block
SKILL.md for Claude Code and Cursor
MCP server integration for AI agents to fetch packs automatically
REST API with keys for automated access
Private packs accessible only to the user
What makes it different
Approximate conversions between two fundamentally different color systems
Runs entirely in browser without data transmission to servers
Comprehensive color reference charts and multiple conversion formats
Plain-English educational content for designers and printers
Emphasis on verification with physical swatches for production use
Measured from live pages, not guessed from screenshots
Captures behavioral details like interactions and state changes, not just visual design
Free tier requires no account or card to try
AI agents can use Stylepack directly with Pro via MCP server
CMYK2Pantone
Stylepack