Beans_Lessc::lib_spin PHP Method

    protected function lib_spin($args)
    {
        list($color, $delta) = $this->colorArgs($args);
        $hsl = $this->toHSL($color);
        $hsl[1] = $hsl[1] + $delta % 360;
        if ($hsl[1] < 0) {
            $hsl[1] += 360;
        }
        return $this->toRGB($hsl);
    }