Relationship between avant-garde art and American pop culture brush strokes and in techniques partially dictated by chance, such as dripping or spilling the paint directly onto the canvas. Examples of this include Jackson Pollock dripping commercial paints on raw canvas to build up complex and tangled skeins of paint into exciting and suggestive linear patterns and Willem de Kooning used extremely vigorous and expressive brush strokes to build up richly colored and textured images. The second category of Abstract Expressionism is represented by a variety of styles ranging from Color field, to Lyrical abstraction; delicate imagery and fluid shapes and fields of color included in works by Clyfford
Casein paint Casein paint Casein paint, derived from milk casein (milk protein), is a fast-drying, water-soluble medium used by artists. It generally has a glue-like consistency, but can be thinned with water to the degree that fits a particular artist's style and desired result. It can be used on canvas panels, illustration boards, paper, wood and masonite. Because the dried paint film is inflexible and brittle, it is not appropriate to be applied in heavy impastos on flexible supports such as canvas. Canvas laminated to board is more suitable. Casein paint is reworkable and can be used for underpainting. It generally dries