色について
■コニカ:色
http://konicaminolta.jp/entertainment/colorknowledge/part1/index.html
http://konicaminolta.jp/entertainment/colorknowledge/part1/09.html
■COLOR SCIENCE
http://www.isc.tamu.edu/~astro/color.html
■Color Theory for Digital Displays: A Quick Reference: Part I
http://www.uxmatters.com/MT/archives/000069.php