This fall, Knoll celebrates the 50th anniversary of its Warren Platner Collection with a new 18k gold-plate finish, seen here on the designer's armchair and stool. Photo 6 of 10 in Heavy on the Metal: 5 Ways to Use Metallic Accents by Heather Corcoran

Heavy on the Metal: 5 Ways to Use Metallic Accents

6 of 10

This fall, Knoll celebrates the 50th anniversary of its Warren Platner Collection with a new 18k gold-plate finish, seen here on the designer's armchair and stool.