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