Many programs use RGB color hex codes. Colour Picker from Microsoft Live Labs (http://livelabs.com) makes it easy for you to use the colors you use most across all applications. Microsoft Color Picker is a cool sidebar gadget for Vista which allows you to create and save your own color palettes and search palettes. It’s fun to explore, discover, and save new color combinations.

This sidebar gadget incorporates the API from colourlovers.com, a resource that monitors and influences color trends.

If you are a Windows Vista users then you can download Microsoft Live Labs Color Picker