WhatColorIsThisHex
Paste a hex code, get its name
WhatColorIsThisHex launched on August 30, 2026 with 2 votes, #5,788 of 23,274 launches that month.
What it does
Paste any hex code and find out what the color is called. If it has no name of its own, we find the closest one that does.
Paste the hex code into the box at the top of the page. Three formats all work: Every color also has its own page, so you can go straight to /color/3972a4 if you already know the code. The glossary explains what a hex color code is . Most do not, and that is normal. There are 16,777,216 possible hex codes and 24,648 named colors, so the overwhelming majority of colors have never been given a name by anyone. When that happens we find the nearest color that does have a name, and label it a close match rather than an exact one. In practice the nearest name is very close. For a randomly chosen color the typical difference is about 1.2 ΔE, which is around the threshold most people can detect at…from whatcoloristhishex.com
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A color name API that maps hex to the closest human-readable name2025 · meodai.github.io · ▲97I built this API to return the closest named color for any hex value—using curated lists like my own [1], XKCD [2], and others. I made it from scratch without Express or any frameworks because: - I’m a frontend/interaction dev and wanted to learn how to build an API from the ground up. - Existing APIs didn’t guarantee unique names per color—mine does. - It also supports WebSocket updates, gzip responses, and multiple name sets. I’ve been collecting color names for over 10 years [1]. With ~30,000 entries, bundling them into every color-related project became excessive. This API keeps…



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