contrast-ratio
Calculate a WCAG contrast ratio based on a foreground and background color
Note: This module only accepts rgb values for simplicity. If you're trying to obtain a ratio for hex, consider using a helper function/module to first convert your hex strings to an rgb tuple.
Install
$ npm i -S contrast-ratio
Usage
const ratio = ; ;// -> 21 ;// -> 8.59
License
MIT © Vu Tran