There is a considerable amount of documented evidence suggesting that loss and color can be used to enhance our well being. The circadian rhythms which pertain or designate the vital processes in plant animals and human beings, and recur every 24 hours, prove how greatly affected we are by night and day, and therefore our perception of color. Current color theories and research seems to suggest that the electromagnetic energy of different colors will produce healing effects similar to those of sunlight, when used to supplement daylight or other life in interior spaces can contribute to our health and well being These theorists recommend the use of full spectrum harmony. That is the use of old colors in very proportions, valleys and Chroma changes for optimal well being. As the full spectrum of colors is contained in lat, all the seven colors need to be present to create a festival of light.

They would recommend ignoring those fashions and trends which do not consider the well being of people in the environment you are designing. They would also recommend that use of full spectrum artificial lighting, lighting that has a balance of red, blue, and yellow are the three primary colors