pastel blue and white mottled paint background with faint blurred out of focus bokeh lights in pale cloudy blue and white

abstract art backdrop background banner blank blue blur blurred blurry bokeh border bright cloudy color coloring copyspace decoration design digital elegant empty faint focus fog foggy graphic green grunge haze hazy illustration layout light lights mottled old paint pale panel paper pastel pretty sign sky soft template texture textured vintage wall wallpaper website white