Perhaps paneled wainscot or shiplap in the downstairs powder room? Beautiful powder room with wallpaper. Wallpaper is Crivelli Trellis BP 3102 by Farrow & Ball. Sconces are the "Alexa Hampton - Abbot Single-arm Sconce".
For downstairs half bath off family room. love wood floor, pedestal sink, wainscoting, teal ans gold wall paper, mirror on wall with inset lighting! Elegant Powder bath - traditional - powder room - san francisco - by Alexandra Luhrs Interior Design