Red is often associated with warmth, happiness, and energy due to its long wavelength and stimulating effect on the human eye.

Blue is often associated with calmness, serenity, and peace due to its short wavelength and calming effect on the human eye.

Green is often associated with growth, renewal, and vitality due to its connection with nature and the natural world.

Purple is often associated with mystery, royalty, and luxury due to its historical association with wealth and power.

Yellow is often associated with creativity, imagination, and inspiration due to its stimulating and energizing effect on the human eye.

Red is often associated with love, romance, and passion due to its stimulating and arousing effect on the human eye.

Blue is often associated with sadness, depression, and melancholy due to its calming and introspective effect on the human eye.

Red is often associated with anger, hostility, and aggression due to its stimulating and arousing effect on the human eye.

Black is often associated with fear, anxiety, and nervousness due to its association with darkness and the unknown.

Yellow is often associated with hope, optimism, and new beginnings due to its association with sunlight and the start of a new day.

Blue is often associated with trust, loyalty, and stability due to its calming and reliable effect on the human eye.

Black is often associated with sophistication, elegance, and luxury due to its association with power, authority, and control.

White is often associated with purity, innocence, and cleanliness due to its association with light, goodness, and new beginnings.

Black is often associated with darkness, mystery, and evil due to its association with the unknown, the hidden, and the forbidden.

Gold is often associated with wealth, prosperity, and abundance due to its association with precious metals and material wealth.