Can someone please explain how this work’s color scheme expresses a concept or mood. Use color terms definition

The artists use of bright and cool colors such as red, orange, blue and green create a contrast of feelings. The bright colors of red and orange and the contrast of cool colors like blue and green create the feeling of happiness and energy. Red and orange give off passionate and radiant moods while creating a fiery atmosphere of excitement while the cool blue colors give off a calm and relaxing contrast.