Artlex's definition of value and how it applies to black and white and color in art. There are links to other sites to further explain the term and also related terms to explore.

A definition of composition with other terms and how they relate to composition. This site shows an example and also explains the terms provided.

An in-depth instructional page on color that defines a variety of terms related to color.

Every aspect of working with color in visual art can be found on this page. Comprehensive information ranging from value to color interaction.