Instafilter\Filter::hsl PHP 메소드

    public function hsl($hue = 0, $saturation = 0, $lightness = 0)
    {
        $hue += 100;
        $saturation += 100;
        $lightness += 100;
        $this->imagick()->modulateImage($lightness, $saturation, $hue);
        return $this;
    }