180 Colors , by gerhard richter , abstract , Conceptual Art, Op Art style , Pattern, Tile flooring, Line, Tile
A picture of many different colored squares on a white background.
 a grid of squares. The squares are arranged in rows and columns. The colors in the squares are different shades of brown, black, green, red, orange, yellow, blue, purple, pink, and more. The color in each square is a different shade of brown. The borders of the image are white.