Name Your Own Color, Forever
Be a part of history!A computer can display 16.7 million colors, but only about 30,000 have official names. OpenColors.org is the Global Color Registry created with the goal of naming ALL the colors while providing a free API / MCP for builders, designers, and brands, as well as useful free tools such as Color Palette Generators, Brand Color Databases, Color Blindness Checks, Accessibility Checks, Color Visualizers, and so much more.
When you name a color, you're not just claiming a hex code—you're contributing to a shared creative resource that will outlive all of us. Designers, artists, and developers around the world will use your color name. Your contribution becomes part of the fabric of digital creativity.
Gift a Color
Perfect for birthdays & anniversaries. Give a color named after them.
Brand Lock-in
Secure your brand's exact hex code on the global registry forever.
For Developers
Reserve a palette for your next project. API access included.
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curl https://opencolors.org/api/v1/color/FF0055
Not yet named
Color Palette
Colors that compliment your color
Contrast Checker
WCAG 2.1 thresholds for light and dark surfaces
White background
WCAG contrast
contrast ratio on a white background
Black background
WCAG contrast
contrast ratio on a black background
Color Blindness Simulator
Preview common vision types for this hue
Protanopia
Simulated vision
Deuteranopia
Simulated vision
Tritanopia
Simulated vision
Achromatopsia
Simulated vision