K
Warm or Cool Color Checker
Check if a HEX color is warm, cool, or neutral, plus an estimated Kelvin value.
Feel
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Color temperature
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Hue
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Check if a color is warm or cool
Paste a HEX color to see whether it reads warm, cool, or neutral, plus hue angle and an estimated Kelvin value.
Warm hues sit toward red and yellow. Cool hues sit toward green, cyan, and blue. Low saturation is treated as neutral.
This is a design check for UI palettes, not a photography white-balance meter. Kelvin is an sRGB approximation.
warm or cool color FAQ
How do I tell if a color is warm or cool?
Warm colors lean red, orange, or yellow. Cool colors lean green, cyan, or blue. Grayish colors are treated as neutral.
Is the Kelvin value exact?
No. It is estimated from sRGB chromaticity. Use it as a relative guide, not a spectrophotometer reading.
Is the warm or cool color checker free?
Yes. It runs in your browser with no account.
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