The meaning of colors in Western Culture:

Purple and gold are often associated with Royalty, wealth and opulence
Red, White and Blue reminiscent of the American flag, immediately convey notions of patriotism and, to some extent, conservatism.
Green has taken on a very strong connotation as the color representing ecology and concern for the environment, however, it also conveys meanings associated with money and the suggestion "to go ahead" which is obviously derived from traffic lights.
Colors represent holidays and seasons of the year.
The Fall foliage colors of Red, orange, yellow, and brown are clearly expressive of Thanksgiving. Halloween: Orange and Black. Red and Green represent Christmas. Purple and Yellow and other pastels colors represent Easter.

Blue, Red, White and Grey = Stability, Power, Trustworthiness, Conservatism
Yellow, Brown, Orange, Green = Nature, earthiness, warmth
Red, Orange, yellow = more warmth
Blues and Aquas = water and coolness
Primary colors (Red, Blue, Yellow) = Convey fun