It is less real and therefore feels more like art. Color can suffers from being too close to nature. Hence, the photographer's job can be more difficult unless we are merely creating illustration as in explanatory and descriptive photos. Make selections that seem color dependent. Pick what would not work as well in black and white.
Artists know that warm and cool colors have different psychological effects.
These colors vary in how close or distant they feel in a composition. Dark and light colors also have these effects. Non color elements and principles such as shape, texture, line, placement, size, content metaphor, and so on combine with color to create the final effects. Since a photograph is a flat illusion, artists are able to create intentional contradictions within this illusion. When this happens, the viewer experiences the image's magical powers.