Number 107 , by ad reinhardt , 1950 , abstract , Abstract Expressionism style , monochrome
A white and grey abstract painting on a white background.
 a rectangular piece of paper. The paper is white. There are many small squares on the paper that are different shades of white. Some of the squares are darker than others. The area rug is square in shape. The rug looks like it could be used as a background for a wall. 