background base black blend canvas gray grayscale layer luminance mode pattern texture white abstract clip art clipart gold graphic illustration metal metallic atlas continent continents countries earth global globe map World appearance brown color colored colors colour coloured colours grain grained panel rough surface textured textures uneven varnish varnished wall wallpaper wood wood-grain wooden exterior external pre-painting stained stains streaked streaks treatment water damage angles backdrop comfort gardening kneeling pad kneeling pad patterned red synthetic synthetic rubber thick