pretty abstract seamless retro geometrical pattern with half circles. color palette blue orange, red, yellow, green. half circles

50s 60s 70s artwork beige book canvas colours composition cover creativity deco design elegance element excitement fashionable funky geometric geometry graphic groovy half happiness joy line marine mixed mosaic navy nostalgic people playful print purple repeat rhythm row sample simple simplicity sparse stylish swatch textile tile trendy turquoise usa variation vector wallpaper