CSS Color Names

1. Search by name, such as blue, to see every keyword that contains it, or by hex, such as #ff7f50, to find the name for a value.
2. Narrow the grid with one of the 12 color-family filters.
3. Click a swatch to copy its hex code.
4. Open a color's own page for its conversions, contrast results, shades and harmonies.

CSS Color Module Level 4 defines 148 named colors. Several are aliases, so together they cover 139 distinct values:

• aqua and cyan are both #00FFFF, and fuchsia and magenta are both #FF00FF.
• Seven grays accept both spellings: gray/grey, darkgray/darkgrey, dimgray/dimgrey, lightgray/lightgrey, slategray/slategrey, darkslategray/darkslategrey and lightslategray/lightslategrey.

The list mixes the 16 original HTML colors with names inherited from the X11 color set, which explains quirks such as darkgray (#A9A9A9) being lighter than gray (#808080).

rebeccapurple (#663399, rgb(102, 51, 153)) was added in CSS Color Level 4 in memory of Rebecca Meyer, and it is the newest keyword on the list.

Keywords are case-insensitive: Tomato, TOMATO and tomato all resolve to #FF6347, though lowercase is the usual convention. transparent and currentcolor are color keywords too, but they are not counted among the 148.

Names are readable at a glance, which helps in prototypes, teaching material and debugging: outline: 2px solid red is instantly recognizable in a code review. They also work anywhere a CSS color is accepted, including inline style attributes and SVG.

For production UI, hex or oklch() tokens are the better choice. The named colors were never designed as a system, so their saturation and lightness jump around, and 139 values cover a tiny slice of the 16,777,216 colors in 24-bit sRGB. To turn any name into other formats, paste it into the color converter.

Each name links to its own page at /colors/ plus the name (the grey spellings share their gray twin's page), for example navy (#000080). Each page collects the color's conversions to other formats, its contrast results, its shades and its harmonies. Related names are grouped in family hubs such as shades of blue.