# color-alpha [![unstable](https://img.shields.io/badge/stability-unstable-green.svg)](http://github.com/badges/stability-badges) [![Build Status](https://travis-ci.org/colorjs/color-alpha.png)](https://travis-ci.org/colorjs/color-alpha)

Change alpha of a color without requiring huge color libs.

[![npm install color-alpha](https://nodei.co/npm/color-alpha.png?mini=true)](https://npmjs.org/package/color-alpha/)

```js
const α = require('color-alpha');
α('white', .4); // 'rgba(255,255,255,.4)'
```

## Related

> [color-interpolate](https://github.com/dy/color-interpolate) — interpolate color over palette, colormap or gradient.