Hackers Coloring Book
After an exhaustive search to find such a tool, we finally made our own. There are LOTS of color pickers out there. Many of them are slow. Most of them only show one color at a time. Colors on web pages do not exist alone. How they look together is very important. ... It works with hex or decimal color codes and even generates random colors. ... The current version shows you over 29,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000 color combinations.
http://innerpeace.org/download/hackerscoloringbook.zip - 9Kb - Download - Screenshot

New Pigment
New Pigment is a picture viewer for colorblind people. It aids in modifying the colors of images and pictures so that those with specific color-blindness can easily view the images. New Pigment works only with the abnormal color sensitivity (-anomaly), not the missing of color-sensitive pigment... While it adjust this color, the defective color moves towards another color making a shift in the color sensitivity curves that the colorblind eye can see. ... New Pigment changes the color that a colorblind person cannot see (the defective color) by a small amount (up to 13 levels of change are...
http://www.amfsoftware.com/newpigment.exe - 385Kb - Download - Screenshot

Magic Matching Color
A lot of people know their way into HTML and web designing, but only a few are really professionals who have studied design. Those people feel the colors and can match them with ease. For other people there is Magic Matching Color that produces a set of 6 matching colors from any given color. ... It's easy to experiment with colors, see the changes if only one color component is changed, and select the desired color combination. ... Selecting the right colors for your web creations will never be the same again!
http://download.magicproject.com/matchingcolor_setup.exe - 256Kb - Download - Screenshot

MSN Font Color Editor
Choose the font color you like for your MSN from 32-bit true colors. Tired of MSN? s fixed font colors? Use this tiny application to change it to the color you love. It is easy and fun to use. You may need to restart MSN for the changes to take place.
http://www.fakewebcam.com/download/mfcesetup.exe - 341Kb - Download - Screenshot

ColorPic
ColorPic is the Free Professional Color Picker. Powerful color adjustment tools let you change individual colors with ease. Adjust RGB, Hue, Saturation and Color Values with four graphical mixers. View CMYK printing color values. Use the screen magnifier for perfect accuracy. ... Invaluable for any graphic designer or web developer, and consistently the most popular free color picker on the web, the latest version offers powerful color selection tools that have previously been available only in expensive applications.
http://www.iconico.com/colorpic/colorpic.zip - 636Kb - Download - Screenshot

Color Style Studio
"Color Style Studio" is a software package, that allows to select color combinations by means of models, based on photos (facades of houses, interiors, cars) or any other pictures (more than 20 graphic formats are currently supported). Studio includes programs for model creation, selection of... But the more combinations of color, the more questions : "What color to paint a facade of my house? ... We cannot change color of the nature. ... Our studio helps to cope with the problem of choice, and reception of color.
http://www.xvel.com/downloads/colorstylestudio21en.exe - 11Mb - Download - Screenshot

Cross-Colors
Change the colors on a row or column, move them, and make the same color. Our logical funny games are made to increases the player's intelligence's "muscles". The player trains his brain and has fun too. Einstein's intelligence is not impossible to achieve! ... By dragging the tiles with the left button of the mouse, the tiles slide on their row or column; with the right button, the row or column change its colors. ... The dimensions can be changed with "Edit->Dimensions", and the color count with "Edit->Colors".
http://www.holotronix.com/dwn/xcolors1.exe - 488Kb - Download - Screenshot

AKVIS Coloriage
Breathe life into your black and white photos with AKVIS Coloriage! AKVIS presents the cutting edge technology of automatic photo colorizing that will change your ideas about image colorization forever! AKVIS Coloriage manipulates colors of an image: from colorizing old black and white photos... Use AKVIS Coloriage for the following purposes: -add color to black and white photos; -add color to hand sketch drawings (for example, manga drawings and comics); -replace colors on a color photo; -try different color schemes for interior and exterior design; -selective desaturation and...
http://akvis.com/download/akvis-coloriage-setup.exe - 5Mb - Download - Screenshot

DMControls.ColorMixer .NET control
DMControls. ColorMixer is a . NET control with an ability to take a color swatch from a palette and mix all possible colors viewing the color coordinates in RGB, HSV, SMYK, HSL formats. Hexagon picker is available for preliminary basic (Web) color selection and for further elaborations RGB, HSV,... There is an opportunity to choose approximate color sample from color spectrum palette and define a color tint concretely managing changes in color representation by sliders. ... NET integration that ensures smooth and faultless implementation, several mixer types (RGB, HSV, CMYK, Hexagon, 2 HSL...
http://www.dmcontrols.com/ColorMixer.zip - 1Mb - Download - Screenshot

Layer Pilot
Layer Pilot is color quantization software allowing you to apply the posterization image effect to your photos. To create an image poster using this program you should break up your image into separate color layers. Selected color layers can be merged to form a new version of your original image. ... With Layer Pilot it is easy to change picture colors by adjusting a color for each color layer. ... Every color layer can be saved as a separate image or can be exported as a layered PSD file. ... The program supports the following graphic formats: BMP, JPEG, PNG.
http://www.colorpilot.com/pad/layer.zip - 6Mb - Download - Screenshot