25 Colours , by gerhard richter , 2007 , abstract , Conceptual Art, Op Art style , Orange, Colorfulness, Pattern, Tints and shades, Line, Rectangle
A multi colored checkered pattern of squares on a blue background.
 a checkered pattern made up of squares of different colors. The colors are blue, red, orange, yellow, green, purple, pink, black, and yellow. The squares are arranged in a grid like pattern. Each square has a different color in it. There is a white square in the middle of the squares.