ColorImpact - Interactive Color Wheel - Interactive tool for designing harmonious color schemes. Aimed at professional multimedia and web designers, the program includes features to integrate with graphic programs and HTML editors. [Windows 98/2000/XP] - http://www.tigercolor.com/
Color Picker Pro - Pick one or several colors anywhere on the screen with a single mouse click. It features 2 capture modes, interactive zoom tool, 20+ color formats, and 10+ color spaces. - http://www.diplodock.com/Products/ColorPicker/default.asp
ColorShade - Creates matching harmonious color schemes. Includes web, scrollbar, and vector image preview, and palette creator. - http://www.colorshade.com
Super Color Picker - Automatically copy color code to clipboard, and show color codes in RGB, HSL, HTML, Delphi, C++ and VB formats. - http://www.esier.com
Get Color Sf - Free color picker with a magnifier control that will magnify any part of the screen (levels of 1x-20x). - http://getcolorsf.sourceforge.net/
Cool Color Picker - Tool to pick color from anywhere on the screen and change the color code into the format needed. Support the color code in RGB, HSL, HTML, Delphi, C++, and VB format. - http://www.color-picker.net/
Technical Vision - Pick colors from anywhere on screen with a single mouse click or a key press. Shows the color in a variety of ways including RGB and HSL pairs, Delphi, C++ or HTML constants. Copy any code to clipboard. Minimize to SysTray when unused. - http://www.techvision.ro/
Color Wheel Pro - Color scheme creation program that uses an interactive color wheel and allows to preview color schemes on real-world examples. [Windows 98/Me/NT/2000/XP] - http://www.color-wheel-pro.com/
Abitom's Color Wheel Expert - A Windows color picker utility to help designers create harmonious color scheme with the color wheel. [Windows 95/98/Me/NT/2000] - http://www.abitom.com/
WhatColor - A PC Tool For Colorblind People - Software designed for those people with partial or total color blindness. It identifies a color of the pixel on the screen of the PC. It tells not only RGB values, but also the name of the color of the point. - http://www.hikarun.com/e/
GAX Professional v2.2 - Pick colors from every part of the screen; GAX automatically detects the palette of various windows on the screen, therefor sampling the color with 100% accuracy. Included are a screen ruler and a screen-capturing tool with a variety of ways to capture pa - http://www.dolphiq-sd.com/
Color Cop - A free multi-featured color picking tool. Has a eyedropper, magnifier, 3x3/5x5 average sampling, complementary color generation and variable magnification levels. - http://datastic.com/tools/colorcop/features.php
Iconico - Color Picker - Color picker for high-resolution monitors, has a magnifier attached. The magnifier is controlled from the keyboard, and grab up to eight colors at once. [Windows NT/98/95/2000] - http://www.iconico.com/colorpic/
Nattyware - Pixie - Utility designed especially to fit the needs of Webmasters and Designers. A color picker includes a mouse tracker. Run it, simply point to a color and it will tell the hex, RGB, HTML, CMYK and HSV values of that color. - http://www.nattyware.com/pixie.html
ColorPerfect - Navigate an RGB Color Wheel using any one of six pre-defined filters. Save color palettes as one of three common file formats: Color Swatch (.ACO), Color Table (.ACT) and Color Palette (.PAL). - http://www.synergymedia.net/products/ColorPerfect/
Color Schemer - Software to generates matching color schemes at the click of a button, online version available. - http://www.colorschemer.com/