Piet Mondrian produced both Composition with grid: Checkerboard composition with bright colors and Composition with grid: Checkerboard composition with dark colors around 1919. Both art works are included in this generative art script on the Ethereum Blockchain. The dark colors represents a starry sky, while the bright colors show us the morning light. Every color on the grid is determined by a 5 bit value stored on-chain, all separated by strictly straight lines.