RGB Color Tool
- Color tool to teach you how to use RGB colors in HTML and CSS.
- http://color.shawnolson.net/

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

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

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/

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/

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

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/

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

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

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

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/

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

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

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

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