Package

a11y-contrast-color

A utility library for calculating luminance, contrast ratio, and appropriate contrast colors to ensure web accessibility.

v1.1.0, 19 Aug 2024MITCommonJSTypes: BundledAccessibility

$ npm install a11y-contrast-color

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 6.2k; -12% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 0; Direct, from package.json
Last release: 2 years ago; v1.1.0
GitHub stars: 24; 1 forks
Open issues / PRs: 0 / 0
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.

6,200 downloads last week, 28,365 in the last month. The 12-month change of -12% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: -
Latest version: 1.1.0, 19 Aug 20242 years ago
First published: -
Last push to GitHub: 19 Aug 2024766 days before the snapshot
Repository archived: No
Open issues: 0
Open pull requests: 0
Commits, last 52 weeks: 0
Dependents on npm: 0

Major versions

Recent releases

Compatibility

Module format: CommonJSFrom package.json type, main and exports fields
TypeScript types: Bundled
Node.js engine range: Not declared
Runtimes: -
Unpacked size (npm): 23 kB
Dependencies (0): None

Install

npm install a11y-contrast-color

CDN

jsDelivrhttps://cdn.jsdelivr.net/npm/a11y-contrast-color@1.1.0/
unpkghttps://unpkg.com/a11y-contrast-color@1.1.0/
esm.shhttps://esm.sh/a11y-contrast-color@1.1.0

Alternatives

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svelte-navigator Simple, accessible routing for Svelte	8.5k	-	4 years ago	ESM + CommonJS	-
@guidepup/virtual-screen-reader Virtual Screen Reader driver for unit test automation.	31.5k	-	4 days ago	ESM + CommonJS	-
@ebay/skin Skin - CSS modules that represent the brand eBay	24.6k	-	6 days ago	ESM + CommonJS	-
ember-a11y-refocus Accessibility addon to announce route change, reset focus, and provide a skip link	18.9k	-	6 months ago	CommonJS	-
@double-great/stylelint-a11y Plugin for stylelint with a11y rules	14.3k	-	11 days ago	ESM only	-
get-contrast Get the contrast ratio and WCAG score between common CSS color types.	6.3k	-	5 years ago	CommonJS	-

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

Indexability: Not indexed (discovery only): downloads_week 6200 < 10000.