Excessive colors and unnecessary furniture can only distract one's attention and make one tired. "Yao Jen-lu personally hesitates to use chrome furniture, despite his admiration for simplicity because he thinks it only adds a burden for" housewives to clean and keep clean. "
以客廳而言，他建議：牆壁可採暖色系中的淺色調，譬如淺黃色、淺紅色、淺咖啡色、米色等；所購置的傢具，以式樣簡單、色澤單一為原則，配置過多金屬的傢具，必須耗費許多精力擦拭和保養，這對主婦而言，會是沉重的工作負擔。