Red, in physics, the longest wavelength of light discernible to the human eye. It falls in the range of 620–750 nanometers in the visible spectrum. In art, red is a color on the conventional wheel, located between violet and orange and opposite green, its complement.
This in-depth analysis explores the meaning and symbolism of the color red. A striking, bold, and captivating hue, red is perhaps the most dominant of colors.