Caveats to keep in mind when considering Flex are that most search engines have trouble finding content inside Flex applications, and that you must have the Adobe Flash plug-in installed in your Web browser to view RIAs built with Flex.
simulates colorblindness (Protanopia, Deuteranopia, Tritanopia) by changing the DOM, CSS + images. It replaces all original colors with the color that a colorblind would see. Content drawn by plugins (flash, videos) stays unchanged.
Esta página permite comprobar si dos colores tienen el suficiente contraste, calculando la diferencia de brillo y color de acuerdo al algoritmo sugerido por el W3C.
We've put together a list of 30+ must-have Firefox 3 extensions that we know you'll enjoy, whether you've upgraded to Firefox 3 and are looking<sep/>
This neat little tool extracts any color information, no matter if inline CSS, CSS files via import or link, and even if you have a master CSS file with references to other css files - mooColorFinder reads it out.