《资治通鉴·陈纪·陈纪九》
六月，癸未，隋文帝诏令内外百官，在郊祀上天和庙祭先祖时，冠冕服饰都必须依据《礼经》；在朝会时所穿的朝服和国家所用的各种旗帜、祭祀所用的牲畜都崇尚红色，将帅兵士的军服使用黄色，官吏平民的常服通用杂色。
六月，癸未，隋诏郊庙冕服必依《礼经》。其朝会之服、旗帜、牺牲皆尚赤，戎服以黄，常服通用杂色。
In June, on Gui Wei, Emperor Wen of Sui issued an edict to all civil and military officials inside and outside the court, asking them to follow the "Rites" when they sacrificed to Heaven and their ancestors in the suburbs, and to worship their ancestors in the temple; the formal attire they wore at the imperial court and all kinds of flags and livestock used by the nation should favor the color red; the formal attire of the generals and soldiers should use yellow, and the everyday attire for government officials and civilians should be assorted colors.