White for Shadowhunters is the color of funerals," Luke explained. “ But for mundanes, Jace, it’ s the color of weddings. Brides wear white to symbolize their purity.”
“I thought Jocelyn said her dress wasn’t white,” Simon said.
“Well,” said Jace, “I suppose that ship has sailed.”
Luke choked on his coffee.

Author: Cassandra Clare