colors!!

colors.js

var colorUtils = {
  existingColors: {},
  red: [5.5, 0.765, 0.80],
  convertHSVtoRGB: function(h, s, v) {
    var r, g, b, i, f, p, q, t;
    h = h / 360;
    i = Math.floor(h * 6);
    f = h * 6 - i;
    p = v * (1 - s);
    q = v * (1 - f * s);
    t = v * (1 - (1 - f) * s);
    switch (i % 6) {
      case 0: r = v, g = t, b = p; break;
      case 1: r = q, g = v, b = p; break;
      case 2: r = p, g = v, b = t; break;
      case 3: r = p, g = q, b = v; break;
      case 4: r = t, g = p, b = v; break;
      case 5: r = v, g = p, b = q; break;
    }
    return "rgb(" + [Math.floor(r * 255), Math.floor(g * 255), Math.floor(b * 255)].join(",") +  ")";
  },
};

function getColorForKey(key){
  if (!colorUtils.existingColors[key]){
    colorUtils.existingColors[key] = colorUtils.convertHSVtoRGB(parseInt(Math.random() * 255), colorUtils.red[1], colorUtils.red[2]);
  }
  return colorUtils.existingColors[key];
}