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Is color-name ESM-only? Can you require() it?

A list of color names and its values

Last verified Sep 9, 2026 against color-name@2.1.1. JSON

ESM-only ESM-only since 2.0.0 — last CommonJS version is 1.1.4

color-name dropped its CommonJS build in 2.0.0 (November 2022). The last version you can require() on every Node.js version, including 18 and older, is 1.1.4, published Sep 21, 2018.

On Node.js 20.19+, 22.12+ and every newer release, require("color-name") works anyway: Node can load synchronous ES modules through require(). Verified on Node 20, 22, 24, 26. Node.js 18 and older still fail with ERR_REQUIRE_ESM.

Latest
2.1.1 (Jul 22, 2026)
Module format
ESM-only
Last CommonJS version
1.1.4
ESM-only since
2.0.0 (Nov 8, 2022)
TypeScript types
@types/color-name
Node engines
>=12.20
Weekly downloads
306.6M
License
MIT

Does color-name@2.1.1 actually load? Runtime test results

Installed and executed on Sep 9, 2026 with require("color-name") from a CommonJS file and import "color-name" from an ES module.

Runtimerequire("color-name")import "color-name"
Node.js 18✗ failsERR_REQUIRE_ESM✓ works
Node.js 20✓ works✓ works
Node.js 22✓ works✓ works
Node.js 24✓ works✓ works
Node.js 26✓ works✓ works
Bun 1.4✓ works✓ works

How to import color-name

ES modules (import)

import colorName from "color-name";

CommonJS (require)

// Node.js 20.19+ / 22.12+ / newer (package has no top-level await):
const colorName = require("color-name");

// Any Node.js version:
const colorName = await import("color-name");

// Or pin the last CommonJS release:
// npm install color-name@1.1.4

Module format by version

Derived from the type, main and exports fields of every stable release on npm (13 versions; the newest 13 shown).

VersionsFormatFirst published
2.0.0 – 2.1.1ESM-onlyNov 8, 2022
0.0.1 – 1.1.4CommonJSNov 23, 2014

Frequently asked

Is color-name ESM-only?

color-name@2.1.1 is ESM-only. color-name dropped its CommonJS build in 2.0.0 (November 2022). The last version you can require() on every Node.js version, including 18 and older, is 1.1.4, published Sep 21, 2018.

Which version of color-name still supports CommonJS / require()?

1.1.4 is the last version of color-name with a CommonJS build. Install it with "npm install color-name@1.1.4". Every version from 2.0.0 on is ESM-only.

How do I use color-name from a CommonJS file?

Use a dynamic import: const mod = await import("color-name"). On Node.js 20.19+, 22.12+ and newer, a plain require("color-name") also works for ESM packages that do not use top-level await. Alternatively pin color-name@1.1.4.

Does color-name work in Bun?

Yes. import "color-name" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does color-name ship TypeScript types?

Not bundled. Install the community types with "npm install -D @types/color-name".

Links

Other esm-only packages

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