What is the color red?

Red is the color at the end of the visible spectrum of light, next to orange and opposite violet. It has a dominant wavelength of approximately 625–740 nanometres. It is a primary color in the RGB color model and the CMYK color model, and is the complementary color of cyan. read more

The color red has numerous meanings. It is the color of energy, passion and action. It is also the color of anger. read more

Red is the color of good luck in Asia and is the most popular color in China. Most Japanese children draw the sun as a big red circle. In East Asian stock markets, red is used to denote a rise in stock prices. read more