Back To Font Web Color Picker  
   A color picker designed to help you select background and font colors for webpages.
   http://www.markup.co.nz/colorpicker/back_to_font_home.htm

HTML Color Chooser  
   HTML color chooser utility which generates hex codes for insertion into HTML code.
   http://www.geocities.com/colorchooser/

Hex Mixer  
   HTML color charts for browser-safe color selection. Provides both hex codes and RGB values.
   http://home.i1.net/~dwolfe/hexmixer/

The Chromograf  
   Color maps and gradients creation, and color-codes converters.
   http://pourpre.com/chromograf/en/

Color Maker  
   JavaScript version to check text and links against different solid and textured backgrounds.
   http://www.bagism.com/colormaker/

Color Selectors  
   Color calculator picker with many superb links easy to use.
   http://www.geocities.com/ambarishgopal/Color.html

Color Preview Applet  
   Define colors by entering RGB or Hex values directly or by manipulating sliders for both foreground and background. Colors are automatically displayed, and all color definition methods are automatically updated.
   http://members.shaw.ca/simonwigzell/ColourPreview/

The DHTML Color Calculator  
   A tool for web-color design. Provides conversion (RGB, CMY, HSB, hex), inversion and merging. Work with undo-/redo buffer on four colors simultaneously.
   http://www.inf.fu-berlin.de/~boethin/pub/coca/

Website Color Picker  
   JavaScript utility to test unlimited combinations of colors for the background, text, links and visited links of websites.
   http://www.digitdesigns.com/colrPick/index.htm

RGB to HEX Color Converter  
   Invoke a tool to convert colors from HEX to RGB and vice-versa, for use in HTML Web page design and general graphics applications.
   http://www.321webmaster.com/colorconverter.php

HTML Colors  
   Test HTML colors with various browsers and display settings. Use its resizable color swatches to experiment with web page color schemes.
   http://www.web-site-tools.com/htmlcol.htm

HTML Color Hexadecimal Code Playground  
   JavaScript program to change the background color, and contrast, 216 web safe font colors against any chosen background color. Hex codes provided.
   http://www.coherentwaves.com/

Color Wheel  
   A color/colour wheel picker and selector to determine the HTML hexadecimal codes of 4096 colors by just moving the mouse around. Note: May not support some browsers.
   http://www.angelfire.com/linux/gopalfamily/colorwheel.html

Palettizer CSS Color Contrast Picker  
   A dynamic css color picker to select color contrasts between css font and background colors. A range of web safe palettes is available including the little known css 'user preferences' color palette.
   http://www.markup.co.nz/palettizer/palettizer.htm

RGB Color Calculator  
   Convert between 0-255 RGB values and HTML hex code dialup color calculator. Can use several kinds of increments for changing the red, green and blue settings. Includes brief RGB and HEX tutorials.
   http://www.drpeterjones.com/colorcalc/

LaMaia's Color Picker  
   PHP script, to show web safe colors combinations.
   http://ladb.unm.edu/~lamaia/colors/color_picker.php3

Forestasia.com  
   Select the hexadecimal color code from the drop down lists, or enter RGB values in the text boxes, and see the converted value calculated and displayed in the textbox below. The background of the textbox will preview the color selected.
   http://www.forestasia.com/tools/colour_converter.asp

Michelle's Color Tester  
   Choose and view various combinations of three colors, in Internet Explorer or Netscape 6. Results are revealed in Hexadecimal numbers.
   http://www.iadesign.ca/colorTest/

Color Coordinator  
   A web based set of HSV color pickers that can be linked to create color schemes. Colors are expressed in variable scale HSV/RGB and web hex.
   http://www.colorcoordinator.com/

Painted Pages  
   Javascript to help webmasters choose harmonious colors for web pages.
   http://www.geocities.com/s_emery/paintedpages/

Clear Ink DynaKewb  
   Web-based color testing and examples. Uses the web-safe palette.
   http://www.clearink.com/dynakewb/

Pantone Color Look up  
   Service to look up Pantone spot colors (PMS) using Hex or RGB color input.
   http://www.warpgear.nl/pantone