background blinds blue color colored coloring colors colour coloured colouring colours cover covered covering folds horizontal linear lines pattern patterned shade surface surfaces texture textures wallpaper window window-covering windows dining room interior design living room real estate room table window blind window covering window treatment blind courtain light parallel shades vertical architecture city evening horizon line Morning orange reflection sky sunlight sunrise sunset water building protect roof shed tile wood wooden angle computer wallpaper material stairs steps chinese colorful colourful exterior exterior shutters functional louver blades louvered louvers louvre blades louvred louvres painted plantation shutters protection shelter shuttered shutters traditional window frame window shutters