Mid-century modern design (roughly 1945 to 1969) embraced clean lines, organic forms, and a belief that good design could be democratic. The art that fits this aesthetic follows the same philosophy: honest, graphic, unpretentious, and visually confident.

Bauhaus prints -- especially Kandinsky's geometric compositions and Paul Klee's whimsical abstractions -- are natural fits. So are vintage travel posters, 1950s advertising graphics, and the flat-color prints of Matisse's late paper cutouts. Abstract Expressionism played well in mid-century interiors, but the more structured, compositional works fit better than raw gestural painting.

Typography-forward posters -- inspirational quotes in clean sans-serif type, vintage science or nature prints -- work in mid-century spaces when the color palette matches. Stick to flat, graphic work over highly realistic or photographic prints for the most authentic result.