The color red is a primary color that refers to the visual perception of light with wavelengths in the range of 620-740 nanometers. It is often associated with strong emotions such as love, passion, anger and excitement. In nature, it can be found in fruits like apples and strawberries, flowers like roses and poppies, and animals like cardinals and crabs. The phrase "color red" typically refers to the visual appearance of this color or any shade within that range.