colors black blue cream brown earthtones green yellow white Evidence based aesthetically pleasing environment coffee shop common areas corporate corporate art consultants design specialist healing healing environment health healthcare hotel interior design interior designer lobby office patient rooms promote wellness restaurant treatment rooms visitors' lounge waiting rooms wall decor National Parks Great Smoky Mountains Tremont Horizontal Seasons Autumn Fall aged calm calming cold cool direction endearing engaging evidence based design familiar familiar surroundings fast moving fresh guidance heal healing element health care artwork healthcare artwork journey lonely movement nurturing old oneness peace peaceful positive distractions reduce stress reflective restful serene soothing strong tranquil tranquility travel vacation weathered America United States of America Tennessee abstract abstracts boulders Water boulder rocks rock rushing splashing splash stream waves wave afternoon sunlit shade