act.js
Create Adobe Color Table (.act) files using Uint8Array, Blob API and FileReader API.
Usage
var generate = require('./act.js');
var colors = [[255, 0, 0], [0, 255, 0], [0, 0, 255]];
generate(colors, function(err, dataURL) {
console.log(dataURL);
});
FAQ
Use .act in GIMP?
In Palettes, select a palette and right click it, choose import palette.