code: function(RGBArray) {
      var hex = '#';
      RGBArray.forEach(function(value) {
          if (value < 16) {
              hex += 0;
          }
          hex += value.toString(16);
      });
      return hex;
  }
docs: Convert RGB Array to HEX
  
  @param {Array} RGBArray - [R, G, B]
  @returns {String} 6 digits hex starting with #