Black Tie Coffee and Kopi susu are produced all around the globe. And they change according to region in where they are cultivated. So, the question arises what is Black Tie Coffee and Kopi susu's differentiating factor?In following section we will take a close look at what is Black Tie Coffee and Kopi susu color, serving style, types and much more. First thing to know is what are the different types of Black Tie Coffee and Kopi susu. Well, Black Tie Coffee types include Many types dependent of spices added while types of Kopi susu are NA.