Red
Red is a powerful colour which has always been associated with vitality and ambition. It can help overcome negative thoughts. However, it is also associated with anger ; if we have too much red in our system, or around us, we may feel irritable, impatient, and uncomfortable.
Yellow
Yellow is also a happy, bright, and uplifting colour, a celebration of sunny days. It is associated with the intellectual side of the mind, and the expression of thoughts. It therefore aids the powers of discernment and discrimination, memory and clear thinking, decision making and good judgment. It also helps good organization, assimilation of new ideas, and the ability to see different points of view. It builds self-confidence and encourages an optimistic attitude. Conversely, dull yellow can be the colour of fear.
Green
Green has a strong affinity with nature, helping us connect with empathy to others and the natural world. We instinctively seek it out when under stress or experiencing emotional trauma. It creates a feeling of comfort, laziness and relaxation, calmness, and space, lessening stress, balancing and soothing the emotions.Lime green and olive green can have a detrimental effect on both physical and emotional health since sickly yellow and green are associated with the emotions of envy, resentment and possessiveness..