Yellow, the color of sunshine, hope, and happiness, has conflicting associations. On one hand yellow stands for freshness, happiness, positivity, clarity, energy, optimism, enlightenment, remembrance, intellect, honor, loyalty, and joy, but on the other, it represents cowardice and deceit. A dull or dingy yellow may represent caution, sickness, and jealousy.
Studies show that the meaning of the color yellow can be warmth, cheerfulness, increased mental activity, increased muscle energy. The color yellow helps activate the memory, encourage communication, enhance vision, build confidence, and stimulate the nervous system.