Do you know What is Gruyere Cheese and Colby Cheese. If you are looking for the definition of Gruyere Cheese and Colby Cheese or want to know what is Gruyere Cheese and Colby Cheese?, then this is where you will fetch your answers. Well, in simple terms Dairy Product While Colby cheese is a semi hard American cheese made from cow's milk Both these products are unique in their own ways. Gruyere Cheese is a Bright Yellow colored dairy product and Colby Cheese is Yellow colored. The food gets it color dependent on the ingredients used and the preparation methods employed. Sometimes artificial food colors are added to give the dairy product, a gourmet look. Apart from their color what distinguishes them is their flavor and aroma. Gruyere Cheese bears Not Available flavor with a Not Available aroma whereas Colby Cheese has Sweet flavor and a Mild and Sweet aroma. The color, flavor and the aroma of these products depict their origin. Gruyere Cheese originated in Switzerland, whereas origin of Colby Cheese is traced back to Winconsin, United states.