Earl Grey Tea and Latte are produced all around the globe. And they change according to region in where they are cultivated. So, the question arises what is Earl Grey Tea and Latte's differentiating factor?In following section we will take a close look at what is Earl Grey Tea and Latte color, serving style, types and much more. First thing to know is what are the different types of Earl Grey Tea and Latte. Well, Earl Grey Tea types include Herbal while types of Latte are Iced Latte, Latte macchiato, Vanilla Latte, Chai Latte.