abstract background of swirling, flowing lines and colors in shades of brown and beige, resembling marble or agate.

swirl lines beige smooth movement dynamic artistic minimalist agate natural organic seamless repeat backdrop background color design illustration pattern texture wave wallpaper beautiful brown closeup decorative detail granite ink interior light liquid marble marbled marbling mineral paint paper rock stone surface textured vintage wall architecture bg black dark floor hard macro retro tile water ceramic graphic watercolor white abstract art idea curve flow green line effect grunge oil style banner blur blurred bubble curly curvature festive form geometric ai generated