50s 60s 70s fashionable seamless pattern trendy brown abstract background

70s shapes visual 60s 50s repeat smooth dot dynamic gradient halftone trendy colour textile 1950s 1960s print abstract background round tone artistic fifties graphic sixties 1970s half oldfashioned endless fabric seventies wallpaper composition repetitive harmonious size work retro vintage concept seamless design vector texture decorative pattern brown stipple