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