Convert HEX colors to NCS, Pantone, and RAL color systems using the industry-standard Delta-E (CIEDE2000) color matching algorithm.

Getting Started

Want API access? Contact benjick@dumfan.net to get your API token.

Try it without authentication

You can test the API without an API key using these demo colors:

Example: GET /api/v2/convert/pantone?hex=ff5733

Note

Color matches are mathematical approximations for screen use. Always verify critical color decisions with physical color references (fan decks, swatches).