🔦 Small library for color accessibility based on WCAG 2.0 specs.
As defined by: https://www.w3.org/TR/2008/REC-WCAG20-20081211/#relativeluminancedef
import { getLuminance } from 'loominance'
getLuminance('#000000')
// => 1
getLuminance('#FFFFFF')
// => 0
getLuminance('#F77219')
// => 0.31878971539680306
As defined by: https://www.w3.org/TR/WCAG20/#contrast-ratiodef
import { getContrastRatio } from 'loominance'
getContrastRatio('#000000', '#FFFFFF')
// => 21
getContrastRatio('#000000', '#FFFFFF')
// => 21
getContrastRatio('#F77219', '#8A1C8A')
// => 2.8219183129326195