Usabilitypost created an excellent guide which is going to be really helpful at the time of choosing the colors for a new project. Besides several data that will serve to us at the time of deciding on the correct tones, they examine the different colors and that they transmit, adding examples of marks use that them.

We see the image above. The blue color is related to cold, intelligence and freedom among others things, it illustrates brands such as Facebook and Intel. The green color is related to nature, the confidence, the Earth and the natural thing, are in the faces of Starbuks and Mint. The color that we choose influences in the client in a positive or negative way.