lightness v1.0.0

lightness

Lighten or darken a css color (similar to less.css lighten() and darken())

The second parameter is the absolute percentage value to add to the color.

usage

var lightness = require('lightness')

lightness('#000000', 100) // #ffffff
lightness('#ffffff', -100) // #000000
lightness('blue', 10) // #3333FF