What formats can I paste?

Hex (#RRGGBB or shorthand), rgb()/rgba(), hsl()/hsla() and bare red, green, blue numbers are all accepted.

Why is there no exact match?

There are millions of possible colors but only hundreds of names, so most colors are a close match rather than an exact one.

Color Name Finder

Choose a color with the picker or paste any hex, RGB or HSL value — the finder reports the closest named color, its exact code and a link to the full color page.

Enter a color or choose a color

#dc143c

Closest named color

Crimson

#DC143C · ~100% match

Explore in depth

HEX

#dc143c

RGB

rgb(220, 20, 60)

HSL

hsl(348, 83%, 47%)

Other close matches

Design tools give you hex codes; humans think in color names. This finder matches any screen color to the nearest named CSS color from the library, so you can say “that’s Crimson” instead of “that’s #DC143C”.

Frequently asked questions

Your color is parsed into RGB, then compared with every one of the 609 named colors in the library using RGB distance. The closest match is shown first.

Good to know

The library includes the full CSS named color set.
Every match links to a full color page with shades, tints and harmonies.

Tools that pair with Color Name Finder

Color Name Finder is one of 33 single-page tools in this workspace. These are the ones that carry the job on — the color value moves between them, so nothing gets retyped or re-uploaded.

Color LibraryBrowse hundreds of named colors with harmonies and palettes.Hex to RGBBreak any hex code into its RGB and HSL values.Color PickerPick, fine-tune and copy any color in HEX, RGB or HSL.

Guides for Color Name Finder

Longer reads for the questions that come up around color name finder.

CSS named color keywords and the hex values they resolve to

Jul 28, 2026