Red - Color symbolism and psychology

Passion, strength, energy, fire, love, sex, excitement, speed, heat, arrogance, ambition, leadership, masculinity, power, danger, gaudiness, blood, war, anger, revolution, radicalism, socialism, communism, aggression, summer, autumn, stop, Mars (planet), respect, Aries (star sign), December.
Studies show that red can have a physical effect, increasing the rate of respiration and raising blood pressure; red also is said to make people hungry; the red ruby is the traditional 40th wedding anniversary gift; red sky in the morning, shepherd's warning; red sky at night, shepherd's delight.
Color symbolism and psychology - Wikipedia, the free encyclopedia