Black Tea and Yellow Tea are produced all around the globe. And they change according to region in where they are cultivated. So, the question arises what is Black Tea and Yellow Tea's differentiating factor?In following section we will take a close look at what is Black Tea and Yellow Tea color, serving style, types and much more. First thing to know is what are the different types of Black Tea and Yellow Tea. Well, Black Tea types include Tanyang Gongfu, Zhenghe Gongfu, Zhengshan xiaozhong, Earl Grey Tea while types of Yellow Tea are Junshan Yinzhen, Huoshan Huangya, Meng Ding Huangya, Da Ye Qing, Huang Tang.