abstract backdrop background collage colors grunge grungy paper series texture variations black cloth color fabric fill fundo granules parallel pastel red rustic scratched slot stain stained stains structure textured blossom blossoms desktop florals garden gardening lilac lilacs nature purple spring structures syringa textures violet wallpaper decoration decorative facade gold golden metallic mosaic pattern patterns regular shine shiny square squares brown irregular laminated fiber laminated fibre light particle board press board pressboard sheet wood wooden dappled flecked granite minaeral minerals raw rock rocks stone unpolished canvas colour colours papier rough tone tones variation