Where the Different Colors of Fireworks Actually Come FromCasey Chan7/03/12 5:20pm17EditPromoteGo to permalinkIf you want to scientifically impress your friends tomorrow (or look like a hoity toity smartypants), you can tell them what the color of fireworks really mean. See that explosion of electric white? That's white-hot metal flakes. Gorgeous red array? Strontium Carbonate. It's all about the chemicals, baby.