Bai Ji Guan or Bai Jiguan (simplified Chinese: 白鸡冠; traditional Chinese: 白雞冠; pinyin: bái jīguān; Wade–Giles: pai2 chi1-kuan1; pronounced [pǎɪ tɕí.kwán]) is a very light Si Da Ming Cong tea, a well-known oolong tea of Wuyi, in Fujian, China. Unlike most Wuyi teas, the leaves of this tea are yellowish to light green rather than dark green or brown.