Usage no npm install needed!

<script type="module">
  import a11yColor from 'https://cdn.skypack.dev/a11y-color';
</script>

README

Accessibility Color Tools (a11y-color)

Utilities

Color Parsing

parseColor: Parses a color string in rgb or rgba format into a Color object.

Color suggestions for specific contrast ratios

suggestedColors: Suggests alternative color suggestions to meet a given contrast ratio.

Contrast ratio calculation

calculateContrastRatio: Calculate the contrast ratio between the two given colors. Returns the ratio to 1, for example for two two colors with a contrast ratio of 21:1, this function will return 21.

Flatten colors

flattenColors: Combine the two given colors according to alpha blending.