Obviously, the quality of the merchandise, the price, the service and the degree of comfort will be contributing factors. Any selling establishment must be an invitation to enter, to see and to buy, and the whole environment should be designed to give the merchandise or service offered a strong visual impact which will enable people to identify themselves with the concept. The sales philosophy that achieves this aim should try to make potential customers feel drawn inside and encouraged to buy or to partake of the service. First impressions are vital, and initial reaction will attract or repel trade, depending on the emotions of the individual. Colour plays a large part in creating a good initial impression because it is an emotional thing.
Color is perhaps the major stimulus that effects our decision-making process.
Some would argue that Text and Graphics are more important. Although the theory of colour relating to personality is purely speculative, I have included a reference to it, also did you realize that color preferences change with age. The correct use of Color is critical in today's extremely competitive business environment. It can literally, make or break a business. Counteracts physical fatigue.