Half Caff 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 Half Caff and Yellow Tea's differentiating factor?In following section we will take a close look at what is Half Caff and Yellow Tea color, serving style, types and much more. First thing to know is what are the different types of Half Caff and Yellow Tea. Well, Half Caff types include Not Available while types of Yellow Tea are Junshan Yinzhen, Huoshan Huangya, Meng Ding Huangya, Da Ye Qing, Huang Tang.