| All About Color | | Articles about use of color and the psychology of color from Pantone. |
| 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. |
| Color Psychology | | Color reaction, test, chromotherapy, color and environment and research. |
| ColorSpeak | | User-generated interactive database of color meaning and symbology. |
| 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 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. |
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