A lightweight Javascript library that reads the color values from a PhotoShop ACO file or an Image and turns them into a list of named colors using FileReader interface (http://bgrins.github.com/filereader.js/) and few other great Open Source projects. The Javascript code responsible of reading Photoshop ACO files has been ported from C program https://github.com/jasonm23/photoshop-aco2UIColors - View it on GitHub