PUBLIC MARKS with tags color & couleur

This service has been provided to allow you to check the validity of your CSS against the W3C's validation service, along with a colour contrast test, and a test to ensure that relevant sizes are specified in relative units of measurement. If the CSS is specified by a URL, it will be loaded into the text area to offer an option to make changes for testing without having to re-upload.

Comment détecter qu’un navigateur supporte RGBA ?

Extract colors from photos and make color schemes

Palette de 4096 couleurs

Pictaculous, est un outil gratuit qui vous permet de générer des nuanciers au format .aco (directement importable dans Photoshop), à partir d'un fichier image. En plus de vous donner une palette de couleurs, Pictaculous vous suggérera des nuanciers puisés chez Kuler et Colour Lovers, proches du votre.

Makes all highlighted (selected) text throughout Mozilla Firefox to have a custom color of your choice. Another excellent way to implement a new UI feature for your favorite web browser. ** Thanks to rude-dude for selected text color changer, upon which this style is based. Applies to: - All web pages - Address Bar text (locationbar) - Stylish Extension Manager - View Source - View Information - ... - Countless other windows and option panes Acknowledgments: Thanks to perishablepress.com for the codebase CSS Release Additional Information: This style comes preloaded with the following style color: Background of selected text will be Dark Gray Foreground (or color) of selected text will be Lime Green, giving selected text a "console" or "Matrix" type look. Instructions: You may change the "background" and "color" HEX colors to match your favorite colors! The code is easily customizable and the color combinations are endless!

To make your Flickr menus transparent, go here: userstyles.org/styles/11529

With this style, Flickr will highlight the links that you have already visited. This style improves page navigation and element focus, for Flickr, which does not display the pages you have already visited in a separate color. This makes Flickr a lot more usable, so you do not go to pages you have already been to (visual history). * Based upon Roblesolido's Link: Visited hyperlinks with opacity effect. Features: + Purple href hover highlight text (customizable) + More Noticeable + Works on all links (a href) Works on both Firefox 2 and Firefox 3 Integrates with Custom Hyperlink Visited Color (Global) Future Releases: + I am currently working on an update that will disable the coloring of your usermenu (home, you, organize, contacts, groups, and explore)

Hyperlink Visited Styling for ALL WebPages. This style improves page navigation and element focus, for pages without their own form of displaying the pages you have already visited. * Based upon Roblesolido's Link: Visited hyperlinks with opacity effect. Features: - Purple href hover highlight text (customizable) - Will only show up on pages that don't already have a visited color. In the case of an purple background, or custom sites. If you want this style to show up no matter what, add !important between the last 0 and the : in the code. Works on both Firefox 2 and Firefox 3 Integrates with Custom Hyperlink Hover Color (Global)

Hyperlink Hover Styling for ALL WebPages. This style improves page navigation and element focus, for pages without their own form of mouse-hovering.

Extraire la palette de couleurs d'une photo : Pratique pour construire un graphisme autour d'une photo, ou pour savoir quelles couleurs utiliser sur un document illustré par telle ou telle image.