Install

npm install -g colour-contrast-cli
# or
yarn add --global colour-contrast-cli

Usage

Usage
  $ contrast black white

Options
  --ratio, -r Show only contrast ratio
  --grades, -g Show only WCAG grades

Examples
  $ contrast black white
  $ contrast '#000000' '#ffffff'
  $ contrast  0,0,0 255,255,255

Example Output

Related projects

• Colour Contrast Checker Web App - Use the web app to check colour contrast as well as some other goodies such as saving colours.
• Colour Contrast Checker Chrome - Check the contrast of colours with ease while browsing through the web using my handy chrome extension.