Contrast Colors

Short and sharp. I needed to use something to help auto-determine what text color to use for components based on the background color. Also - American spelling for those Australians out there. I know.

Installation

# npm
npm install --save get-contrast
# or yarn
yarn add get-contrast
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Example code

const contrast = require("get-contrast");

const arg = process.argv[2];

if (!arg) {
  console.error('Error: Color arg required eg. "#000"');
  process.exit(1);
}

const isLight = contrast.isAccessible(arg, "#000");
const res = `${arg} is light: ${isLight}. You should use ${
  isLight ? "black" : "white"
} for the font.`;

console.log(res);
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Usage

node index.js "#666"
#666 is light: false. You should use white for the font.
node index.js "#000"
#000 is light: false. You should use white for the font.
node index.js "#888"
#888 is light: true. You should use black for the font.
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Original code can be found on my Github account.

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