Color by Numbers: An Exploration of the Use of Color as Classification Notation

Notation is a fundamental component of a classification scheme, especially library and bibliographic classification. However, notation is often considered an afterthought or auxiliary to classification itself. With the advances in technology, classification systems, including their notation, must evolve. What, if any, possibilities lie beyond alphanumeric characters and symbols? The author explores the possible use of color as classificatory notation by looking at the traditional qualities of notation and the classificatory needs it must accommodate, various theories and standards of color, and their possible applications to classification notation. Theoretical and practical implications are considered and discussed, as well as larger implications for notation and classification overall.