backdrop background board boards canvas hues natural pastel pastels plank planks rough rustic shades textures tints tone tones wood wooden blind blinds courtain cover light lines parallel shade texture vertical wallpaper window windows Ammophila dune grass Lofoten Islands marram nature norway norwegian sand summer white wild young blank burst collage copyspace curved flier flyer grunge grungy paper pattern rust rusty scrapbook vintage angle chrome diagonal dots fence gate grid holes metal modern perforations reflection shine stripe stripes bush dense erica flower gorse green heath plant Prickly purple spiny Ulex wales yellow colors colours hue papier series variation variations abstract color colour patterns tint