nabble / ajde

     */

    protected function colorArgs($args)

    {

        if ($args[0] != 'list' || count($args[2]) < 2) {

            return [['color', 0, 0, 0], 0];

        }

        list($color, $delta) = $args[2];

        $color = $this->assertColor($color);

        $delta = floatval($delta[1]);

    protected function lib_contrast($args)

    {

        if ($args[0] != 'list' || count($args[2]) < 3) {

            return [['color', 0, 0, 0], 0];

        }

        list($inputColor, $darkColor, $lightColor) = $args[2];