I ask a chemist who works for a 192-year old paint company, “What is a color?” and admit to feeling a little out of depth. As art writers, we perceive paint as the medium that preserves time—the representation of a time past. Rarely do I think about the chemicals that go into paint or the history of a company that has for years addressed and perfected the wishes of artists who want paint that achieves their creative endeavors. Founded in 1832 by William Winsor and Henry Newton in London, Winsor & Newton’s DNA is in the exemplary paintbrush of Turner and the color theories of George Field. This is a company that takes color and material very seriously, is meticulous…