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passes-wcag

v0.2.1

Published

Evaluate if a to colors have sufficient contrast to pass WCAG requirements.

Downloads

24

Readme

Greenkeeper badge Build Status

Passes WCAG

Evaluate whether two colors have sufficient contrast to pass WCAG requirements.

Doesn't handle transparency as of yet.

Installation

npm i passes-wcag

Usage

import {
  passesWcagAaLargeText,
  passesWcagAa,
  passesWcagAaa,
} from 'passes-wcag';

passesWcagAa('black', '#fff'); // true
passesWcagAaLargeText('rgb(1, 1, 1)', 'rgb(250, 248, 247)') // true
passesWcagAaa('black', 'rgb(0, 0, 0)') // false

Signature

passesWcagAaLargeText(color1: string, color2: string) => boolean
passesWcagAa(color1: string, color2: string) => boolean
passesWcagAaa(color1: string, color2: string) => boolean

Contributing

I appreciate your issues and PRs on Github!

Testing

yarn build && yarn test

Releasing

This project uses np.

  1. Make sure your changes are in master
  2. Run yarn release
  3. Follow the interactive release guide