Psychologically, perception of yellow colour results in mental happiness. Much advance has been made in colour science and research still continues. Psychology of colour tells us that yellow colour is a symbol of mental happiness. It reduces mental deficiency and enhances joyfulness. The advent of padma lesya produces mental peace and happiness. Perceptive acumen is enhanced by it
Perceptive ability leads to realization and an actual experience, not dialectical or rhetorical sharpness, but sagacity and wisdom.