Green Tea and Oolong Tea are produced all around the globe. And they change according to region in where they are cultivated. So, the question arises what is Green Tea and Oolong Tea's differentiating factor?In following section we will take a close look at what is Green Tea and Oolong Tea color, serving style, types and much more. First thing to know is what are the different types of Green Tea and Oolong Tea. Well, Green Tea types include Chinese Green Tea, Pan Fried Longjing, Bi Luo Chun, Jasmine Tea, Japanese green tea, Steamed Sencha, Gyokuro, Kabusecha while types of Oolong Tea are Yu Lan Xiang, Xing Ren Xiang, Zhi Lan Xiang, Po Tou Xiang, Huang Zhi Xiang, You Hua Xiang.