PostCSS Color Hex Alpha

PostCSS Color Hex Alpha lets you use 4 & 8 character hex color notation in CSS, following the CSS Color Module specification.

body {
    background: #9d9c;
}

/* becomes */

body {
    background: rgba(153,221,153,0.8);
}

Usage

Add PostCSS Color Hex Alpha to your project:

npm install postcss postcss-color-hex-alpha --save-dev

Use it as a PostCSS plugin:

const postcss = require('postcss');
const postcssColorHexAlpha = require('postcss-color-hex-alpha');

postcss([
    postcssColorHexAlpha(/* pluginOptions */)
]).process(YOUR_CSS /*, processOptions */);

PostCSS Color Hex Alpha runs in all Node environments, with special instructions for:

Node	PostCSS CLI	Webpack	Create React App	Gulp	Grunt

Options

preserve

The preserve option determines whether the original notation is preserved. By default, it is not preserved.

postcssColorHexAlpha({ preserve: true })

body {
    background: #9d9c;
}

/* becomes */

body {
    background: rgba(153,221,153,0.8);
    background: #9d9c;
}