Yellow in its negative vibrations is also the colour of cowadice, prejudice and destructive domination. The electrochemical transference from eye to brain called Vision takes place the quickest in the presence of yellow. Yellow is the first colour a person distinguishes when he/she looks on any object. It is also the most complex colour for the brain to process. Human have an inherent precautionary reaction to yellow in nature, especially when it is combined with black. Yellow gets a quick though temporary response from a subject under stress. 

Yellow adds to stress by preparing a person for flight to fight. Yellow painted rooms cause children to cry more often. Yellow surroundings cause allergies to flare more frequently. You have a well functioning imagination, nervous energy , neatly formed thoughts and an urge to help the world. You tend to be aloof and more align to theory than to action. You are inclined to speak of lofty ideas without applying them in practice. Secretly you are shy, long to be respected, crave admiration for your sagacity and are a mental loner. You are a safe friend and a reliable confident. Latest researches yellow stimulates anxiety and is the most irritating colour to the retina of people over fifty. It increases blood-pressure within thirty seconds. 

Yellow activates the motor nerves and generate the energy for the muscles. A disturbance in the supply of yellow vibrations to any part of the body can bring about a disturbance of function there including partial or full paralysis. Yellow, as a mixture of red and green rays has the stimulating potency of red vibrations mixed with the reparative potency of green vibrations. Therefore, it tends both to stimulate function and repair damages.

Directed at the gastrointestinal tract for short periods, yellow is a digestive aid: For longer periods it acts as both a catharsis (Purge) and a cathartic (Laxative). It helps to eliminate parasites and worms and stimulates the flow of bile. Nerve building takes place in the presence of yellow. It has stimulating, cleansing and eliminating action on the liver, intestines and skin. It enersises the alimentary tract, purifies the blood stream, activates the lymphatics and depresses the spleen. It lifts despondency and suggest joy, gaiety, intellect perception and merriment. 

Every body knows that green is nature's colour. From the pale green of new spring grass and budding leaves to the deep green nature's forest, green is soothing, healing, peaceful and cool in its positive aspect. It is a soothing balm for people who are weary in body or mind. Green has great healing power. On its negative side green represents selfishness, jealousy and laziness. Heavy dark green can be depressing and even debilitating. Green is useful in soothing pain and calming a teething infants. Yellow Green stimulates generosity on the mental plane and the body's elimination of wastes on the physical plane. Spring Green represents new life, regeneration, joy and gladness.

Forest green, hunter green and similar shades cause an antiallergic or desensitising reaction in certain group of people. Such as those who have "hay fever" Contrast, green with more white and less yellow seem to a wider percentage of the population. Favourable metabolic responses occur inside the body when an individual is surrounded by almost any shade of green. These sophisticated physiological alterations include:

Blood histamine levels become elevated. Histamine is a compound found in nearly all the tissues of the body and is associated mainly with dilation of the blood vessels and contraction of smooth muscles such as the lungs. It is an important mediator of inflammation and is released in large amounts after the skin is damaged, producing a characteristic skin reaction of redness and a weal. Histamine is a naturally occurring chemical, produced during inflammation and allergic reactions. Some of the symptoms of the conditions are mentioned.

Green You are a good citizen and a pillar of the community and sensitive to social customs and etiquette. You are frank, moral and reputable. You make yourself a splendid teacher, have a normal sex drive and feel deep affection for your family. 

Green, both dark and pastel builds muscles, bones and other tissue cells. It is neither acidic nor alkaline and can be used the same way as blue is used. Green is soothing, cooling and calming, both physically and mentally. It relieves tension, lowers blood pressure, acts as a hypnotic upon the sympathetic nervous system dilates the capillaries and produces a sense of warmth. Green rays help to stabilise the emotions and stimulate the pituitary. They can be used for their aphrodisiac quality and for sexual tonicity. Vibrations of green disinfect bacteria, virus and other germs.