Now, in Sound of Colors, he makes much bolder use of color than in his previous work; the hues are deeper and more varied. He also gives greater attention to the book's rhythm and pacing, and strives for precision in his language.
繪製《地下鐵》時，用色便較過去的作品更為大膽，色彩與濃度更加豐富，注重書的節奏、律動，文字描繪上也力求語意精確。