Took ages to get to this but was well worth the wait. Superb.

Shapeways now does full colour 3d printing. Nice.

"Most people who have designed web sites or apps in Photoshop will, at one point or another, have had issues trying to match colors in images to colors generated by HTML, CSS or code. This article aims to solve those problems once and for all."

"About 8% of the male population has some sort of color blindness. The color blind have the inability to clearly distinguish different colors of the spectrum, they tend to see colors in a limited range of hues."

"While working on the Odeo relaunch, we kept running into a frustrating problem: When we saved out the slices, the awesome Odeo pink flattened to a dreary "light coral". I'd seen the problem before, but never so pronounced: The color, through no fault of its own, was obviously changing, and we were at a loss for a way to prevent this."

"Why Photoshop color changes washes out lightens darkens unsaturates desaturates fades when Save for Web, Jump To, Edit In ImageReady Photoshop, or posted on the www internet, on the monitor display screen or on the printed inkjet laser print."

"Takes the guesswork out of designing for color blindness by showing you in real time what people with common color vision impairments will see."

"Search Flickr, capture images via your WebCam or drag-n-drop images from your computer. Click a button and the colors are saved to Illustrator, Photoshop or as an XML file for Processing"

"Enter the URL of an image to get a color palette that matches the image. This is useful for coming up with a website color palette that matches a key image a client wants to work with."

"We take the MD5 digest of the city’s name, convert it to hex and take the first 6 characters as a CSS RGB value." Smart.

"This tool allows you to visualise good colour combinations on a Photoshop style colour picker. It's primary use is finding acceptable colours from an existing inaccessible combination - while maintaining the aesthetic appeal of the original."

"The Old Masters of painting spent years of their lives learning about color. Why let all their effort go to waste on the walls of some museum when it could be used to give you a hand with color correction?"

"This article introduces the basics of cognitive psychology around colour and patterns -- what you need to know, and how it affects Web design in a nutshell."

"This site contains information and design tools. They may not show you exactly what dichromats see, but will help you to understand which colours are easily confused."

"An online accessibility testing tool designed to visually convert a full-color web page into a grayscale rendition for the purpose of visually testing the page’s perceived contrast."

"Some schemes and coordinators from around the web to get things rolling."

"Get inspired by these web-smart color schemes, taken from a variety of sources and updated regularly."

"Advanced Eyedropper, ColorPicker, Page Zoomer and other colorful goodies."

"Some random sets from our color scheme database, given in web-smart colors for your convenience."

"This small app will take a base color in hex format and create a palette of ten shades of that color for you."

"Type the URI of a page below and submit it to see what colors it uses"

" Even if it looks great at a glance, the color scheme doesn't work if many visitors can't easily find crucial information, use whatever services are offered, and effectively navigate the site."