I found this information today while looking through one of my books (The Owner's Manual for The Brain, by Pierce J. Howard, Ph.D., page 703).
He references a book called, "Color and Human Response (1978a), by Faber Birren" that discusses the affect each color has on us. Now, it's not about colored light per se' but it still may be relevant.
Red: Good for creative thinking, short-term high energy
Green: Good for productivity, long-term energy
Yellow, orange or coral: Conducive to physical work, exercising; elicits positive moods.
Blue: Slows pulse and lowers blood pressure; conducive to studying, deep thinking, concentration; accent with red for keener insights.
Purple: Tranquilizing; good for appetite control
Pink: Restful, calming
Light colors: All purpose; provide minimum disruption across all moods and mental activities.
White: Disrupting, like snow-blindness; avoid
The author, Pierce Howard, has a note at the end that says that Birren "does not offer detailed research citations in support of his conclusions, and some of the color research is contradictory. For example, according to some reports, yellow walls elicit positive moods; another report find that yellow walls in hospital rooms are associated with patients who require more pain-killing medication."
Has anyone else come across any studies or color references?