Blue -- nobility or tranquillity (depression)
Black -- power (death or mourning)
Brown -- Earth, nature (scatological)
Gray -- neutral (passionless, death)
Green -- fertility, renewal, wealth (greed, envy)
Red -- sacrifice, sex (carnality, taboo sex, humiliation, physical injury)
Orange -- adventure, change (forced change, disruptiveness)
Purple -- royalty, positive personal growth (injury)
Yellow -- enlightenment, (cowardice, illness)
White -- purity, wholesomeness, sacred ritual (emptiness)
http://www.astrology.com/dreams/colors-0/2-d-r-154445