Different colors mean different things in different cultures. For example, in the United States, blue is considered to be a relaxing color. Tests reveal that the color blue lowers blood pressure, calms, and gives viewers a sense of security. Blue is also an appetite suppressant. In Middle Eastern countries, blue is believed to be a protective color.
People even paint their front doors blue to ward off evil sprits.
When making web pages, background choice is important. It is better to use pale colors, or tints rather than the full strength of a color. Cool colors such as blue, green, gray and purple are good choices because they are optically receding and allow your eyes to focus on text and images rather than distract the viewer's attention. Black is a good background to choose when displaying images because they will stand out in contrast. The following is a list of colors and the moods they provoke.