Renders RGB lookup tables to a canvas element.
npm install lut
lut(red, green, blue, canvas)
var lut = require('lut')
, canvas = document.createElement('canvas')
// Defaults to 32x32x32, creating a new canvas element:
document.body.appendChild(lut())
// But you can render on top of an existing canvas,
// and specify the resolution (number of shades) for
// each colour too:
document.body.appendChild(canvas)
lut(64, 8, 128, canvas)