Niu Ge Xiaocao, they are not yellow. Xiaocao is from Hubei, and Niu Ge is from Yongcheng, Henan. 1990 February 13 was born in Hubei, and Niu Ge was born in1March 8, 970. He is a professional singer and a powerful original musician. They met on 200 1 and became lovers in may of the same year. As of September 28, 2022, they have been in a state of sweet love. So Niu Ge Grass, they are not yellow.