The complete color reference
Color Codes, Palettes and Color Tools
Search, convert and analyze millions of HEX colors with RGB, HSL, approximate CMYK, contrast, palettes and CSS code.
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Popular color tools
Precise, approachable tools for conversion, harmony and readability.
Featured selection
Colors to start exploring
Established names
Recognized named colors
Only established names with recognized usage—never invented labels for arbitrary colors.
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Color families
Design for everyone
Do not guess readability. Measure it.
Check foreground and background contrast and see AA and AAA outcomes at a glance.
Check contrastAA12.1:1High-contrast example
Color knowledge
Guides for designers and brands
Frequently asked questions
Which codes does Rangino support?
Every valid six-digit code from #000000 through #FFFFFF can be searched and analyzed.
Does every color receive a name?
No. Only established, real names are shown; all other colors are identified by their exact code.
How accurate is CMYK?
CMYK is a mathematical approximation. Final print output depends on color profile, paper and printing conditions.