In his youth, Yang studied in Japan and France, where he immersed himself in museum masterpieces, aesthetic scenery and the society of renowned artists.
雲遊四海，到處去找顏色照楊三郎自己的說法，旅行寫生的目的是相當浪漫的：「我是到處去找顏色！」老畫家的油畫向以色彩豐富出名，有人稱之為本省第一色彩畫家。