Sorry for the obvious choice. This Van Gogh painting is the fourth in his Sunflowers series. I chose this one for his analogous color choice. Vincent Van Gogh was friends with Paul Gauguin, and he wanted to impress his friend with some home decorations while Gauguin stayed with him. In a letter, Van Gogh wrote, "Now that I hope to live with Gauguin in a studio of our own, I want to make decorations for the studio." An oil on canvas, this work now hangs in the National Gallery in London.