aliceblue to yellowgreenColour Name Finder (CSS Semantic Matching) provides a bridge between numeric color values and human-readable names. This free online hex to color name tool identifies the nearest named CSS color to any arbitrary input using Delta-E color distance calculations. Whether you are performing a css color names lookup for code readability or need a named colors finder to describe a brand palette, this tool ensures accurate results.
Standard Euclidean RGB distance often fails to match how the human eye perceives color similarity. This find color name by hex utility uses perceptual color match algorithms in Lab color space to ensure the "closest" name actually looks like the input. With support for all 147 standard web colors, you can find the perfect semantic label for any hex to color name tool query instantly.
They are keyword values defined in the CSS Color specification. Each keyword maps to a fixed sRGB hex value - for example, tomato = #FF6347. They are case-insensitive and can be used anywhere a <color> value is accepted.
rebeccapurple?rebeccapurple (#663399) was added to CSS in 2014 in memory of Rebecca Alison Meyer, daughter of web standards author Eric A. Meyer, who passed away on her 6th birthday. It is the only CSS colour named after a person.
transparent is shorthand for rgba(0,0,0,0) - fully transparent black. It is used as an initial value for background-color and the from/to values in gradient transitions.
Yes. SVG attribute values and the Canvas 2D API accept CSS colour strings - including named colours, RGB, HEX, and HSL.
Whether you're refactoring CSS or documenting a design system, this utility simplifies the naming process. For more design options, see also the Color Converter, Color Picker, and CMYK Converter. Bookmark this colour name finder for a fast, free online hex to color name tool whenever you need to identify a hue.