Css color validation with regexes
Require module in your package.json like so:
"css-color-validator": "git://github.com/jnikles/css-color-validator.git#master"
It exposes a function, returning true|false:
var cssValidator = require('css-color-validator');
cssValidator('#fff'); // true
cssValidator('#ffff'); // false
Same for rgba/rgb and very basic color string support
npm test