Winsor and Newton has been making paint for artists for the past 180 years. Each color is made to have stable color. The company makes sure that the quality control process keeps the paint ready to be what artists need and want. All their paint becomes touch dry within two to twelve days.
Van Dyke brown is known by several names. If something calls for Cassel brown, cologne earth or Caste earth, this is the color to choose. The W&N paint is made with bituminous earth and calcined natural iron oxide. The brown pigment is named for Flemish painter Van Dyke. The earth color is mostly used for shading.
The paint color is known to be in paintings done by the old masters, like Rubens. The pigment itself comes from humic substances in soil, peat or brown coal.