echo 'color is dark: ' . var_export($color8->isDark(), true);
echo '</p>';
$color8->lighten(60);
$color8->dump();
echo '<p>';
echo 'color is light: ' . var_export($color8->isLight(), true);
echo '<br>';
echo 'color is dark: ' . var_export($color8->isDark(), true);
echo '</p>';
$color9 = $color8->copy()->getComplementary();
echo '<p>complementary</p>';
$color9->dump();
echo '<p>CSS Gradient</p>';
print_r($color9->getCssGradient());
echo '<h2>Using color formatter</h2>';
$color10 = Color::load('rgba(20, 40, 200, 0.8);');
$color10->dump();
echo 'HSL: ' . $color10->getHslaString() . '<br>';
$color11 = Color::load('#ccc');
$color11->dump();
echo 'RGB: ' . $color11->getRgbString();
?>
</section>
</div>
</body>
</html>
