angles aqua azure blue color colored colorful colors colour coloured colourful colours contrast contrasting green health heated interior leisure light lighting pool recreation reflecting reflection reflections sheltered space swimming-pool turquoise warm water advice alert appropriate-behavior appropriate-behaviour black care communication concern daylight daytime directions inform information informing lettering message messages notice notification poolside protect protection restricted restrictions rules safety sheltered-pool sign signage symbols text warning warning-sign white words activities architectural-elements architecture chemical-sanitation chlorinated covered exercise filled full glass hot-tub hydrotherapy indoor-pool indoors inside jacuzzi lit maintained monitored paddling-pool recliners reclining relaxation sanitized seating shelter spa-pool swimming swimming-bath undercover wading-pool windows appearance chairs clean clear cool deck chairs edge empty fun outdoor outdoors palms plants private rain raining recreational relaxing responsibility responsible ripples rippling shrubs surface surrounding surrounds swimming pool tropical water's edge wavelets wet decorative designed distinctive elements external shade trees vegetation water's-edge