《吕氏春秋·纪·季夏纪》
中央于五行属土，于天干属戊己，它的主宰之帝是黄帝，佐帝之神是后土，应时的动物是麒麟之类的裸族，相配的声音是宫音，音律与黄钟之宫相应。它的数字是五，味道是甜味，气味是香气，要举行的祭祀是中霤之祀，祭祀时祭品以心脏为尊。天子住在中央明堂的正室，乘坐木质大车，车前驾着黄色的马，车上插着黄色的绘有龙纹的旗帜，天子穿着黄色的衣服，佩戴着黄色的佩玉，吃的食物是稷和牛，用的器物中间宽大而口敛缩。
中央土，其日戊己，其帝黄帝，其神后土，其虫倮，其音宫，律中黄钟之宫，其数五，其味甘，其臭香，其祀中霤，祭先心，天子居太庙太室，乘大辂，驾黄骝，载黄旗，衣黄衣，服黄玉，食稷与牛，其器圜以揜。
The center belongs to the earth of the Five Elements and the Heavenly Stems Wu and Ji; its reigning deity is the Yellow Emperor, its ministering deities are the deities of the land; the beasts that correspond to it are qilin and naked animals; the sound that corresponds to it is gong, its pitch corresponds to the gong pitch of yellow bells; its number is Five, its flavor is sweet, its smell is fragrant, the sacrifice that corresponds to it is the sacrifice offered in late spring, the heart is held in honor when making sacrifices; the son of Heaven lives in the central hall of the bright hall, rides a big wooden carriage, uses a team of yellow horses to draw the carriage, has a yellow flag with dragons on it hoisted on the carriage, wears yellow clothes, wears yellow jade ornaments, eats millet and beef, and uses utensils that have a wide center and a narrow mouth.