The first piece boasts a predominantly golden hue, with an image depicting a tennis match with a cityscape as a backdrop. The color palette incorporates shades of orange and red, enhancing the dynamic feel of the scene. The second one features a silver finish, with a blue background. The illustration shows a young boy running, with the words "冲吧少年！Sunny" (Go, young man! Sunny) in yellow, suggesting a theme of energy and motivation. The third piece, with a copper-like finish, showcases a family scene with a red graph. The color choice here reflects warmth and love. Each piece’s color scheme is carefully selected to complement the central illustration, making the overall design visually appealing.