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Welcome to the Color Laboratory For those who have been here before, or who prefer to read documentation only in emergencies, begin by using the controls in the frames directly above. The colorpicker to the upper left will allow you to add color swatches. If you would like to see your own web site through color blind eyes, please try the web page color filter, currently in early development. Your feedback regarding the colorlab and/or color filter is appreciated. Please email aware-colorlab@hwg.org.

About AccessColor AccessColor tests the color contrast and color brightness between the foreground and background of all elements in the DOM to make sure that the contrast is high enough for people with visual impairments. Assuring that you provide enough color contrast between foreground and background colors takes time and we hope that this tool will help web developers to build accessible websites by visually flagging the section(s) of a page with problematic color combinations. AccessColor will find the relevant colour combinations within your HTML and CSS documents rather than requiring you to find each value to input yourself in order to test the contrast between each colour combination.

The Complete Guide to Google Wave is a comprehensive user manual by Gina Trapani with Adam Pash. Google Wave is a new web-based collaboration tool that's notoriously difficult to understand. This guide will help. Here you'll learn how to use Google Wave to get things done with your group. Because Wave is such a new product that's evolving quickly, this guidebook is a work in progress that will update in concert with Wave as it grows and changes. Read more about The Complete Guide to Google Wave, and follow us on Twitter for updates and Wave tips.

Knockout is a JavaScript library that helps you create rich, responsive displays, with interfaces that follow a clean underlying model. Elegant Dependency Tracking, Declarative Bindings, and more.