Rainbow Color Templates: FREE PPT TEMPLATE, FREE PPT BACKGROUND..Rainbow Color range is the color of rich fruit, flowers and the sun, tellow is the happiness color of the sun and brilliant flowers is, blue is the life color of clear sky and water that covers the earth, green is the color of nature, of trees, fields and woods, red is the color of romance and passion, violet is the color of night and song. You can download more free rainbow powerpoint templates from here