Colby is a mild American cheese. The curd of Colby is washed regularly in water to encourage rapid maturation, taking about 3-4 weeks only. Colby has a Cheddar-type paste and a natural rind. Colby is used in salads and snacks.
Dowell, P., Bailey, A. (1980) The Book of Ingredients, Dorling Kindersley. ISBN 0718119150.