Red
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Red is the color that is on the outside edge of the rainbow. It is one of the three primary colors, along with blue and yellow. Red light has a wavelength between 630-760 nanometers.
Red is the color of blood and tomatoes. It is sometimes used to mark things that are wrong, important, or dangerous.
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[change] Meaning of Red
Red can represent passion, anger, or love. In many countries, a red light shows cars when they should stop.
In politics, "red" is related to Communism. The "Red Army" can refer to the army of the old Soviet Union, or the People's Republic of China. It is also related to the Red Brigade.
Red is the color of fire and blood, so it is associated with energy, war, danger, strength, power, determination, as well as passion, desire, and love.
Red is an emotionally intense color. It is thought that it tends to raise blood pressure and make people breathe faster. It is very easy to notice, which is why stop signs, stoplights, and fire equipment are usually painted red. In heraldry, red is often used to indicate courage. It is a color found in many national flags.
Red brings attention to text and images. It is a perfect color for 'Buy Now' or 'Click Here' buttons on Internet banners and websites, because it may make some people want to act quickly. In advertising, red is often used to cause erotic feelings (red lips, red nails, red-light districts, 'Lady in Red', etc). Red is widely used to indicate danger (high voltage signs, traffic lights). This color is also associated with energy, so it may be used to promote energy drinks, games, cars, items related to sports and high physical activity.
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