src/Types/HSL.php
public function saturate($pct)
    {
        $saturation = $this->saturation() + $pct;
        $saturation = $saturation > 100 ? 100 : $saturation;

        return $this->withSaturation($saturation);
    }
public function saturate($pct)
    {
        $saturation = $this->saturation() + $pct;
        $saturation = $saturation > 100 ? 100 : $saturation;

        return $this->withSaturation($saturation);
    }
Saturate the color.

@param int $pct

@return static