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. 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. The Psychology of Color and Sound - Teachers.Net Lesson Exchange for public school teachers. 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. ColorSpeak - User-generated interactive database of color meaning and symbology. Color Symbolism and Psychology - Article from Wikipedia on color symbolism and psychology, culturally constructed linkages that vary with time, place and culture. Color Think Tank - Articles about use of color and the psychology of color from Pantone.