blend blur blurs colorful colors colour colours experimental fabric gradient hue hues motion series shade shades tone tones variation variations backdrop background border canvas color frame grunge paint pastel pastels rough spatter spatters splatter texture advice alert announcement appropriate-behavior appropriate-behaviour be-careful beware care careful caution coloration colored coloured colourful communicating communication concern danger dangerous directions hiking informing Look looking lookout observant paths risk risks risky safety sign signs tracks walk walking walking-paths walking-tracks warning warning-sign watch watch-out bacdrop backgroud burst edge overlay overlays paper retro spin torn transparent twirl vintage art arts colorized crafts scrapbook scrapbooking tattered worn abstract dot dots halftone pattern spectrum clipped craft cutout element grungy handmade isolated rustic weave woven yarn