Color

There are important factors one must consider when choosing colors to illustrate and enhance a story. These sites inform about color theory, color as therapy, color meanings and symbols, color meanings in various cultures, and color effects on mood.

http://myth.com/color/meaning.html
http://desktoppub.about.com/cs/color/a/symbolism.htm
http://www.color-wheel-pro.com/color-meaning.html
http://www.princetonol.com/groups/iad/lessons/middle/color2.htm
http://www.sibagraphics.com/colour.php
http://webdesign.about.com/od/color/a/aa072604.htm
http://www.colormatters.com/symbolism.html
http://www.infoplease.com/spot/colors1.html