Color Names Lookup

Your input is compared against every entry in the list using Delta E, a perceptual difference metric computed in Lab space. The name with the lowest score wins, so matches reflect what your eye sees rather than which RGB numbers happen to be close.

They're the same set today. The names started as browser conventions, got standardized through CSS specifications, and now work identically in HTML attributes, CSS, and SVG. Both British and American spellings of gray are valid in browsers.

That one is Tomato itself, an exact hit with a Delta E of zero, since Tomato is defined as #FF6347. Try something like #5A8FCB instead and you'll get SteelBlue back as a close but not identical neighbor.

The browsable grid focuses on 85-plus of the most commonly used names rather than the complete set of roughly 148 defined by CSS. The matcher runs against that curated list, which covers the names people actually reach for in real projects.

It quantifies perceived difference. Below 1 is invisible to most viewers, 1 to 5 reads as the same color at a glance, and beyond 10 you'd call them different colors. Use it to judge whether the name is a description or just a direction.

Names carry meaning in code review and conversation. A prototype using Crimson or SteelBlue communicates intent instantly, and named colors are handy in quick demos, terminal themes, and SVG sketches where precision matters less than speed.

Yes, every tile in the grid has a copy button that grabs the hex. Filter down to the name you want, click copy, and paste the code wherever named colors aren't supported, like most native mobile styling systems.