Experts have made such interesting studies on the emotional/psychological effects colors can have on us which can affect our well being. This is not only the external forces of well being by doing physical exercises, good food, good lifestyles and others, INTERNALLY, we need to be calm, settled, have the ability to do self-expression without the pent up of our emotions/stress. Interestingly, when we choose or not to choose colors we do so to match our personality or use colors for certain effects like to calm/motivate us.. Below are two tables on Preference and Non-Preferences of Color which supposedly help you to understand better pertaining to your health whether in terms of self expression or your hopes/dreams. Knowing your personality better will definitely enhance your well being when dealing with yourself and others. 

 COLOR   YOUR PREFERENCES YOUR NON-PREFERENCES
 White  White points at innocence, purity, virginity, cleanliness, freshness, simplicity, nothingness, oneness and completion, truth. In certain cultures white is the color of death and mourning.   Is foremost or solely interested in ‘realistic’ and tangible things, not in illusions or things that are beyond seeing or understanding. Knows and accepts the own imperfection and does not wish to achieve perfection.
 Yellow  The color of the sun, life-force, vividity, vitality and energy. The color of cheerfulness, curiosity, alternation, flexibility, progress, amusement, contact through traveling and communication, learning and practical knowledge.A feeling for writing and speaking.   There can be emotional disappointment and bitterness about contacts. Tendency to rationalize feelings, or to avoid the depth of life by often changing relationships, many superficial relationships and/or constant changing activities. 
 

Orange		  

Orange represents the warmth of the fire. It brings even more energy than yellow, celebration and great abundance, comfort, enjoyment of the senses. Warm, sociable, dynamic and independent people who dedicate themselves to whatever they do.		  Can point at suppressed sexual feelings or other difficulties with sensual enjoyment of life. The attitude can also be over-sensual, indulgent, or too materialistic.

 Red
Red is associated with passionate love, sex, great energy, impulse, action and stimulation, assertivity and aggression, courage, strength and power, adventure, danger, warnings, revolt and revolution. Temperamental and ambitious people with a need for personal freedom. 

Being over-active, too impulsive, hot-tempered, aggressive and egocentric, or having difficulties with people with such characteristics. It can also symbolize deeply hidden fears and rejection of your own assertivity

Magenta
Much energy and activity focused on achieving power and self-realization. Strong but controlled passions and emotions. Daring, ready to fight, willing to give everything for a goal. Can drive things too far and have fixed ideas. 

 Feeling overwhelmed by people with strong convictions or heavy emotions like jealousy. Difficulties with exposing your deep emotions.

 Pink
Regarded as a feminine color.Pink symbolizes softness, sweetness, innocence, youthfulness and tenderness. Soft and kind people. 

 Difficulties with having or showing your soft, tender, female side.

Green
Green brings peace, rest, hope, comfort and nurturing, calmness and harmony. Interest in nature, plants, fellowmen, children and animals, health and healing, natural and plain life.Longing for a safe home and family-life. A dislike of conflicts. 

 More interested in independence and self-development than in a warm family-life. Keeping a certain distance in (sexual) relationships.
 Turquoise
Just like the wide turquoise sea you don’t want to feel restricted and you don’t immediately bring to the surface what goes on in you; emotions can remain hidden. A color for non-triviality, renewal, innovation and inventions, progressive technics, alternative ways of living together, humanity. 		  Looking for solidity and security in society, especially in marriage.Afraid to think originally or to walk new paths

 Blue
A spacy color, cool and soothing, dreamy and magical. Peace and rest. Caution. For people who keep a certain distance, but give calm and practical help; they are faithful and loyal, have a sense for order, logic and rational thinking.Flying in day-dreaming, ideals or nostalgia when felt misunderstood.Dark blue is more severe and can be melancholic.Blue is also the color of truth - and of death. 

Very disciplined, strong career workers with an aversion of commentary or restriction.   They have pointed out a clear direction for their lives and want to follow that laser like .

 Purple / violet
Colors for meditation, contemplation, mysticism, spirituality and religion power. A longing to ascend and dissolve polarities (purple consists of the active red and passive blue), to improve the world. Reservation, mystery and dignity.Soft, sensitive people with often paranormal abilities. Possible willingness to sacrifice him/herself. Melancholy and depressions, mourning. 

Very serious attitude towards life; it is difficult to give dreams, fantasies, vague fears or memories a place in it. Rejection of everything regarded as unnatural or unrealistic

 Brown
An earthly color for practical people with a preference for natural, tribal and primitive things, solidity and simplicity. Brown can be warm and cosy but also depressing. Family-life persons, stable people, loyal friends. 

Aversion against normal, boring, trivial life. Not feeling connected with his roots (home-land, family, etc). Unstability in health and attitude.

Grey
Very neutral and indifferent, non-expressive. It can be deliberate, but also lifeless, fixed, depressed and apathic.Reserved, cool people; unwilling to expose themselves or to have obligations.Grey can be refined and tactful. 

Prefers to be straight to the point, no time for political and tactical attitudes. Demands clarity, a knowing where one stands.

Black
Symbolizes seriousness, darkness, depression, death, mourning, mystery, secrecy, occultism, a standing apart from or revolting against triviality, provocation, underground, underworld, things that have to remain hidden, nothingness as the great source of all creation, the need to keep your energy with you. Black is a color for extremes, everything and nothing. People who foremost trust themselves.

 This often points at fear for the unknown, or fear for the abuse of power. Desires to become free from all kinds of dependency, blockages, hindrances; to throw off shackles. .