Dusseldorf - Gold, silver and copper are setting trends in home decoration right now and interior designers are using these daring colors to add a new lease on the life of walls.An important trend in wall decoration is wallpaper with complex geometric or graphic designs, according to Germany's Wallpaper Institute. Bright, brash colors and tactile surface coverings that look like natural materials such as wood and stone are two more trends visible in current professional home decoration in Europe. Metallic wallpaper can give a wall a very grand appearance, according to the experts. Warm gold tones look great when combined with cyan shades. You can add a timeless touch to a wall by choosing one of the new black and white wallpapers on the market that are available in an ethno look.Interior designers advise picking a single wall and decorating it with patterned wallpaper. It looks great when adjacent walls are painted with a monotone color.