1950s 1960s 1970s retro seamless pattern trendy brown abstract background

motif 70s faded visual 50s 60s repeat smooth dot 1960s form gradient 1950s colour oldfashioned textile print round artistic fifties graphic half sixties tone 1970s halftone repetition square seventies fabric wallpaper work shape retro continuous element template vintage art abstract seamless design style vector texture pattern backdrop background brown decorative