JavaScript version to check text and links against different solid and textured backgrounds.

A color picker designed to help you select background and font colors for webpages.

JavaScript utility to test unlimited combinations of colors for the background, text, links and visited links of websites.

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.

Test HTML colors with various browsers and display settings. Use its resizable color swatches to experiment with web page color schemes.

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.

Service to look up Pantone spot colors (PMS) using Hex or RGB color input.

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.

Color maps and gradients creation, and color-codes converters.

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.