RED

Red is the color of fire and blood, so it is associated with energy, war, danger, strength, power, determination as well as passion, desire, and love. Red is used to indicate courage. Red is often used to evoke erotic feelings (red lips, red nails, red-light districts, 'Lady in Red', etc). Red is widely used to indicate danger (high voltage signs, traffic lights).

Light red represents joy, sexuality, passion, sensitivity, and love.
Pink signifies romance, love, and friendship. It denotes feminine qualities and passiveness.
Dark red is associated with vigor, willpower, rage, anger, leadership, courage, longing, malice, and wrath.
Brown suggests stability and denotes masculine qualities.
Reddish-brown is associated with harvest and fall.

ORANGE

Orange combines the energy of red and the happiness of yellow. It is associated with joy, sunshine, and the tropics. Orange represents enthusiasm, fascination, happiness, creativity, determination, attraction, success, encouragement, and stimulation.

To the human eye, orange is a very hot color, so it gives the sensation of heat. Nevertheless, orange is not as aggressive as red. Orange increases oxygen supply to the brain, produces an invigorating effect, and stimulates mental activity. Orange is symbolic of strength and endurance.

Dark orange can mean deceit and distrust.
Red-orange corresponds to desire, sexual passion, pleasure, domination, aggression, and thirst for action.
Gold evokes the feeling of prestige. The meaning of gold is illumination, wisdom, and wealth. Gold often symbolizes high quality.

YELLOW

Yellow is the color of sunshine. It's associated with joy, happiness, intellect, and energy. Yellow produces a warming effect, arouses cheerfulness, stimulates mental activity, and generates muscle energy. Yellow is often associated with food. Yellow indicates honor and loyalty. Later the meaning of yellow was connected with cowardice.

Dull (dingy) yellow represents caution, decay, sickness, and jealousy.
Light yellow is associated with intellect, freshness, and joy.

GREEN
Green is the color of nature. It symbolizes growth, harmony, freshness, and fertility. Green has strong emotional correspondence with safety. Dark green is also commonly associated with money. Green has great healing power. It is the most restful color for the human eye; it can improve vision. Green suggests stability and endurance. Sometimes green denotes lack of experience. Green indicates growth and hope.

Dark green is associated with ambition, greed, and jealousy.
Yellow-green can indicate sickness, cowardice, discord, and jealousy.
Aqua is associated with emotional healing and protection.
Olive green is the traditional color of peace.

BLUE

Blue is the color of the sky and sea. It is often associated with depth and stability. It symbolizes trust, loyalty, wisdom, confidence, intelligence, faith, truth, and heaven. Blue is considered beneficial to the mind and body. It slows human metabolism and produces a calming effect. Blue is strongly associated with tranquility and calmness. Blue is used to symbolize piety and sincerity.

Light blue is associated with health, healing, tranquility, understanding, and softness.
Dark blue represents knowledge, power, integrity, and seriousness.

PURPLE

Purple combines the stability of blue and the energy of red. Purple is associated with royalty. It symbolizes power, nobility, luxury, and ambition. It conveys wealth and extravagance. Purple is associated with wisdom, dignity, independence, creativity, mystery, and magic.

Light purple evokes romantic and nostalgic feelings.
Dark purple evokes gloom and sad feelings. It can cause frustration.

WHITE

White is associated with light, goodness, innocence, purity, and virginity. It is considered to be the color of perfection. White means safety, purity, and cleanliness. White can represent a successful beginning. White depicts faith and purity.