Sanzo Wada, 和田 三造, an influential figure in Japanese art, costume design, and color theory, transformed color perception and application in modern design. His original work, "A Dictionary of Color Combinations," still serves as an essential guide for designers and artists. This article explores Wada's remarkable life and vibrant career, detailing his role at the Japan Color Research Institute and his lasting impact on art and design. Wada's innovative spirit and artistic skill continue to drive innovation even nowadays.