After understanding primary and secondary colors, exploring compound colors helps grasp the principles of color blending. Suitable for color beginners who have mastered primary and secondary colors for color mixing practice. The first layer consists of primary colors: red, yellow, blue; The second layer produces secondary colors: orange, purple, green; The third layer creates shades of reddish-gray, bluish-gray, and purplish-gray; Flowing down to the bottom gray pool, splashing water forms v