Half Caff 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 Half Caff and Guillermo's differentiating factor?In following section we will take a close look at what is Half Caff and Guillermo color, serving style, types and much more. First thing to know is what are the different types of Half Caff and Guillermo. Well, Half Caff types include Not Available while types of Guillermo are Espresso.