Based on W3C algorithms as explained by Vision Australia. Thanks for the great articles.
Made by Colin Lieberman. This is version 1.2 - 23 April 2006.
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This tool calculates the degree of contrast and difference between two colors. Colors may be inputed as decimal (0-255) or hex (#000000-#FFFFFF) values. This is a very early version hacked together in a few hours; things to work on include: not requiring js to work, improved layout/UI, and better handling of error messages. For questions, comments, or suggestions, please email
colin [at] cactusflower [dot] org (mangled for spam protection).