Doctrines and theories are best for our weaker moments. In moments of strength, problems are solved intuitively. Most painters reject the idea of working with a formula and prefer to work with intuition. But knowing about color harmonies can help designers consciously apply the visual effects they want to have. The more complicated and busy the pattern of shapes, the more important the use of controlled color application.
Color is the child of light.
Color is a property of light, not an object by itself. Therefore as light changes so does color. Colors change according to their surroundings. We never see a color by itself. What colors are adjacent to another color effects their relationship.