Colby cheese is a semi-hard cheese that originated in the United States, specifically in Colby, Wisconsin. It is made from cow's milk and has a mild, slightly sweet flavor. The cheese is known for its smooth texture and bright orange color, which comes from the addition of annatto, a natural coloring agent. Colby cheese is often enjoyed as a snack or used in various dishes, such as sandwiches and salads. It melts well, making it a popular choice for cooking and baking. This cheese is also a great source of protein and calcium, contributing to a balanced diet.