ColorWiki!

COLOURlovers is a creative community where people from around the world create and share colors, palettes and patterns, discuss the latest trends and explore colorful articles.

Generates color themes that can inspire any project. No matter what you're creating, with Kuler you can experiment quickly with color variations and browse thousands of themes from the Kuler community.

Color hex encyclopedia providing information about any color.

The ultimate online tool to extract dominant colors from images using the most advanced clustering algorithms.

stylize.io helps web developers and designers create color schemes for their websites, with maximum ease and efficiency. stylize.io can suggest attractive color schemes as a starting point for your web designs, and lets you experiment with color and font combinations, on live websites. Using stylize.io’s control panel, you can load many external websites into stylize.io’s display frame, and modify their background colors, text colors, and fonts. There’s no more need to use confusing palette tools, or to spend ages modifying CSS files, to find an appropriate color scheme – you can create beautiful designs in an instant, with stylize.io. »

Simply put, ColorExplorer is an online toolbox for working with color palettes.