Therefore, the higher the LRV number of the paint color, the less artificial light you will need. This causes excessive stimulation and irritation of the eyes. Eye fatigue will follow. Tests document that people estimate the temperature of a room with cool colors, such as blues and greens, to be 6-10 degrees Fahrenheit cooler than the actual temperature. Warm colors, such as reds and oranges, will result in a 6-10 degrees Fahrenheit warmer estimate.
Color does play an important role in energy conservation.
The author of Color Matters recently published a book about color effects in interior environments. Although this publication focuses on environmental effects of color in workspaces, these concepts apply to all interior environments. Color Matters is a registered trademark of J.L. Morton.