Following Color class will allow you to convert colors from RGB to hex and back class Color { /** int $red */ public $red; /** int $green */ public $green; /** int $blue */ public $blue; /** * Color constructor. * @param $red * @param $green * @param $blue */ public function __construct($red, $green, $blue) { $this->red = $red; $this->green = $green; $this->