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Slate Blue
#6A5ACD
Closest match (ฮ”E: 8.3)

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About Color Names

๐ŸŽจ Why Do Colors Have Names?

Color names help us communicate about colors precisely. While hex codes are exact, names are memorable and emotional โ€” "coral" evokes a feeling that "#FF7F50" doesn't.

๐Ÿ“ How Matching Works

We use the Delta E (ฮ”E) color difference formula in the Lab color space to find the closest named color to any hex input. A ฮ”E below 5 means the colors are nearly indistinguishable to the naked eye.

๐Ÿ“š Where Names Come From

๐Ÿ’ก Pro Tips

Frequently asked questions

What is the difference between a named color and a hex code?

A named color is a human label mapped to a specific value โ€” CSS defines 148 keywords such as rebeccapurple and tomato. A hex code is the exact value. Names help communication; hex guarantees the color.

How does a color name finder pick the nearest name?

It converts both colors to a distance metric and returns the smallest. RGB distance is fast and common; perceptual spaces such as CIELAB or OKLab better match what the eye calls close, which matters for muted and dark colors.

Why does my hex code have no exact name?

Named colors cover a few hundred specific values out of the 16.7 million possible hex codes, so almost every code falls between two names. The nearest-name match is an approximation, not an identity.