Package

color-contrast-checker

This is an accessibility validator based on WCAG 2.0 standard for checking the color contrast.

v2.1.0, 10 Sept 2021Apache-2.0CommonJSTypes: NoneAccessibility

$ npm install color-contrast-checker

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 46.2k; +168% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 0; Direct, from package.json
Last release: 5 years ago; v2.1.0
GitHub stars: 5; 1 forks
Open issues / PRs: 0 / 1
Contributors: -
Commits, last 52 weeks: 0

Downloads

Last week 2026-09-15 to 2026-09-21

Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

46,215 downloads last week, 279,322 in the last month. The 12-month change of +168% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: -
Latest version: 2.1.0, 10 Sept 20215 years ago
First published: -
Last push to GitHub: 2 Feb 2025599 days before the snapshot
Repository archived: No
Open issues: 0
Open pull requests: 1
Commits, last 52 weeks: 0
Dependents on npm: 14

Major versions

Recent releases

Compatibility

Module format: CommonJSFrom package.json type, main and exports fields
TypeScript types: None
Node.js engine range: Not declared
Runtimes: -
Unpacked size (npm): 36 kB
Dependencies (0): None

Install

npm install color-contrast-checker

CDN

jsDelivrhttps://cdn.jsdelivr.net/npm/color-contrast-checker@2.1.0/
unpkghttps://unpkg.com/color-contrast-checker@2.1.0/
esm.shhttps://esm.sh/color-contrast-checker@2.1.0

Alternatives

Package	Weekly downloads	Gzip	Last release	Module	Comparison
color-combos Get accessibility information about colour combinations	11.6k	-	7 months ago	ESM + CommonJS	-

Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.