Red: the color of extremes. It's the color of passionate love, seduction, violence, danger, anger, and adventure.
Yellow: freshness, happiness, positivity, clarity, energy, optimism, enlightenment, remembrance, intellect, honor, loyalty, and joy, but on the other, it represents cowardice and deceit.
Blue: considered beneficial to the mind and body. It slows human metabolism and produces a calming effect. Blue is strongly associated with tranquility and calmness.