Between the warm and the cool colors, studies have shown that the cool colors like blue and green are the unanimous favorites. The warm and bright colors like red, yellow and orange are colors for bold expressions. They exude warmth, energy and passion. While blue and green evokes calm and relaxation.

Green evokes calm and relaxation
The color green is the second favorite color of both men and women, right after blue. The appeal of a green iPod, for example, may be broad as it transcends gender connotations. As opposed to blue, which is perceived as a masculine color, green is considered to be more unisex as it gives out a

3rd generation green iPod nano
The calming effect of the color green has been taken advantage of by experts the world over. It is a popular tip to look at something green from a distance to rest tired eyes, which usually result from being in front of a computer for too long or reading too much. Guests waiting to be called out during a television show may be more likely waiting in a “green room” to help them relax, which helps if they have stage fright. Employees who also work within a green environment are said to experience less stress and hence, get less experiences of stomachaches.
Green is also a popular symbol for prosperity, especially in areas where the US Dollar is in use. The color of the USD is green and, therefore, also the sign of wealth, capitalism and money.

Green symbolizes wealth
While the color red is used to convey warnings, green is used to convey that it is alright to proceed without worry. The best example of this is a stoplight, as red means “stop” and green means “go”. Likewise, giving something the “green light” means that it is safe to embark on a certain project.

Unfortunately, this color also has its share of negative connotations. It has traditionally been the symbol of jealousy, witchcraft, decay and the devil. In British and Celtic cultures (except maybe the Irish), green is perceived as an unlucky color. Someone is said to have a “green mind” if they always thought of naughty things. A tinge of green on the skin is thought as unhealthy and usually associated with nausea and sickness.
The positive messages conveyed by the color green far outweigh the negatives ones, though. So if you ever get that green iPod, many of your friends will be definitely be green with envy.

4th generation iPod nano