colorHash.js

var colorHash = function (str) {
  // djb2 hash: http://www.cse.yorku.ca/~oz/hash.html
  var hash = 5381;
  for (i = 0; i < str.length; i++) {
    hash = ((hash << 5) + hash) + str.charCodeAt(i);
  }

  // Help from: http://www.paulirish.com/2009/random-hex-color-code-snippets/
  var color = Math.round(11184810 * Math.abs(hash) / Math.pow(2, 32));
  return '#' + ('00000' + color.toString(16)).slice(-6);
}