art backdrop background colour hue hues paint paints rustic series shade shades spatter texture textures tone tones variations various watercolours abstract canvas colours painting pastel pastels rough colors grungy spill splat splatter artsy experimental strange theme wierd aged color grunge rusty tints aqua basket beige blue brown concept design fibre furniture graphic illustration modern patternbrown rattan rope vector weave woven brush can colorful drawing drip isolated running runs simple