Black Coffee and Green Eye are produced all around the globe. And they change according to region in where they are cultivated. So, the question arises what is Black Coffee and Green Eye's differentiating factor?In following section we will take a close look at what is Black Coffee and Green Eye color, serving style, types and much more. First thing to know is what are the different types of Black Coffee and Green Eye. Well, Black Coffee types include Espresso, Cappuccino, Macchiato, Mocha, Red Eye, Palazzo, Iced Coffee while types of Green Eye are Espresso.