NASA's Ames Research Center has a fascinating site called "Using Color in Information Display Graphics": http://colorusage.arc.nasa.gov/ http://colorusage.arc.

NASA's Ames Research Center has a fascinating site called "Using Color in Information Display Graphics": http://colorusage.arc.nasa.gov/ http://colorusage.arc.nasa.gov/ It has articles, tools, a bibliography, and an entire section called "Designing with Blue": http://colorusage.arc.nasa.gov/blue_2.php http://colorusage.arc.nasa.gov/blue_2.php