t testing framework for PHP ≥ 5.3</p>
	<script type="text/javascript">
	var changeColorLuminance = function(color, pourcent) {
		var r = parseInt(color.substr(1, 2), 16);
		var g = parseInt(color.substr(3, 2), 16);
		var b = parseInt(color.substr(5, 2), 16);

		return '#'
			+ Math.round(Math.min(Math.max(0, r + (r * pourcent)), 255)).toString(16)
			+ Math.round(Math.min(Math.max(0, g + (g * pourcent)), 255)).toString(16)
			+ Math.round(Math.min(Math.max(0, b + (b * pourcent)), 255)).toString(16)
		;
	}