Wyman incorporated gold and rose-hued glazed brick, golden oak, yellow tiles, brown terra cottta and rose marble to evoke California's warm natural light. Cast iron balconies diminish in scale as one approaches the clerestory, thus exagerrating the interior height. To read Charlie Jane Anders' piece on the building's appearance in SF places (not just utopias), click here. To read the building's 1977 nomination for National Register of Historic Places status, which includes a (now dated) bibliography, click here.
My thanks to Texas A & M Science Fiction Curator Hal W. Hall for the information!
Image: Marvin Rand, photographer. Bradbury Building (304 South Broadway, Los Angeles, CA, 1893). HABS photograph CA-334-12 taken 1965.