delicolour!

PicPick is an all-in-one software for software developers, graphic designers and home user.

Identifying the color code of an object on the screen is usually an involved, multistep process: You press the Print Screen key to copy a screenshot to the clipboard, load a graphics-editing program, create a new file, paste the screenshot from the clipboard, zoom in on the object, use the "Pick Color" tool, and finally copy the HTML code of the color to the clipboard.

Free color picker and color mixing tool, including harmonious colors finder, RGB and RYB colour wheels, gradient and code to colour conversion

A color picker and color scheme creation tool.

ColorZilla is an extension for Mozilla Firefox and the Mozilla Suite.

Color Cop is a multi-purpose color picker for web designers and programmers. It features an eyedropper, magnifier, variable magnification levels, 3 by 3 and 5 by 5 average sampling, snap to websafe, color history, and a 42 color complementary palette. Color Cop will convert RGB decimal values to Hexadecimal color codes. It has color code support for HTML Hex, Delphi Hex, PowerBuilder, Visual Basic Hex, and Visual C++ Hex. Color Cop is a multi-purpose color picker for windows.

Imaging is a Collection of Image Related Tools (Image Viewer, Image Converter, Image Resizer, Image Optimizer, etc).

Colormania is an advanced color picker utility, especially created for web-designers, graphic artists and application developers.

gcolor2 is a basic colourpicker utility that allows you to select any colour on your screen, and, well, grab it's colour. It also allows you to save the colour you create to a file, which shows up as a list in the application.

KColorChooser is a simple application to select the color from the screen or from a pallete.

ColorMixer is a powerful application for mixing colors. You choose a color and ColorMixer will calculate 8 harmonic colors based on the one you’ve chosen. It’s user interface offers lots of utilities to choose colors.