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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. Markdown · 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 with a plain require()-able CommonJS entry is 1.1.4, published Sep 21, 2018.

On Node.js 20.19+, 22.12+ and newer, require("color-name") works with the latest version: Node.js loads synchronous ES modules through require(). Verified on Node.js 20, 22, 24 and 26. On Node.js 18, which has no require(esm), require("color-name") fails with ERR_REQUIRE_ESM.

What to do

  1. On Node.js 20.19+, 22.12+ and newer, require("color-name") works with the latest version: Node.js loads synchronous ES modules through require(). Verified on Node.js 20, 22, 24 and 26.
  2. From a CommonJS file, use a dynamic import inside an async function: const colorName = await import("color-name"). That works on every Node.js version the package supports (>=12.20).
  3. If you need a synchronous require() or run Node.js 18: npm install color-name@1.1.4, the last CommonJS release (published Sep 21, 2018).
  4. TypeScript: npm install -D @types/color-name
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 1.4.0✓ works✓ works

How to import color-name

ES modules (import)

import * as colorName from "color-name";

Namespace import shown because the ESM entry may have no default export; use named imports for what it exports.

CommonJS (require)

// Node.js 20.19+, 22.12+ and newer (verified):
const colorName = require("color-name");

// Any Node.js version the package supports (>=12.20), from an async function:
async function main() {
  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, corrected where a runtime test of that version contradicted them (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 with a plain require()-able CommonJS entry 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?

From a CommonJS file, use a dynamic import inside an async function: const colorName = await import("color-name"). That works on every Node.js version the package supports (>=12.20). On Node.js 20.19+, 22.12+ and newer, require("color-name") works with the latest version: Node.js loads synchronous ES modules through require(). Verified on Node.js 20, 22, 24 and 26. Alternatively pin color-name@1.1.4.

Does color-name work in Bun?

Yes. import "color-name" loaded successfully in Bun 1.4.0 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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