How many named CSS colors are there?

CSS defines 148 named colors, from common ones like red, blue, and green to more exotic names like rebeccapurple, papayawhip, and cornflowerblue. All modern browsers support them.

What color formats does this tool support?

You can input colors as hex codes (#ff5733), RGB values (rgb(255, 87, 51)), HSL values, or named CSS colors. The tool converts between all formats and finds the closest named match.

How is the closest color name determined?

The tool calculates the Euclidean distance in RGB color space between your input color and all 148 named CSS colors, returning the nearest match along with the exact distance.

Color Name Finder

Find the closest CSS color name for any color. Browse all 148 named CSS colors with search and preview.

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royalblue

#4169e1

Your color

royalblue

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💡 Pick a color or enter a hex code to find its closest CSS named color. Click any color swatch to select it. All 148 CSS named colors are included.

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