The Meaning of Color for Gender
- The Meaning of Color for Gender paper, by Natalia Khouw. Includes numerous references on subject and contact information
- http://www.colormatters.com/khouw.html

ColorSpeak
- User-generated interactive database of color meaning and symbology.
- http://bulltown.com/colorspeak/1/

The Colour Group of Great Britain
- An interdisciplinary society for those concerned with colour measurement, reproduction vision, and perception, with colour in lighting, architecture and art.
- http://www.city.ac.uk/colourgroup/index.html

Natural Color System
- Color communication in architecture, design, manufacturing, marketing, research and education. This international color order system is entirely based on how the human being perceives color.
- http://www.ncscolor.com/

The Psychology of Color and Sound
- Teachers.Net Lesson Exchange for public school teachers.
- http://teachers.net/lessons/posts/201.html

Color Matters
- Explores the physiological and psychological effects of color and how it affects appetite, vision, sexuality, energy conservation and its relationship to architecture and interior design.
- http://www.colormatters.com/

Computerized Simulation of Colour Blindness
- What do colour-blind people see? Interactive Java applets to demonstrate colour appearance.
- http://tsi.enst.fr/~brettel/colourblindness.html