Grainy pearl gold metal foil texture noisy gradient golden bronze metallic luxury abstract background. Metallic gold, such as in paint, is often called goldtone or gold tone, or gold ground when describing a solid gold background. In heraldry, the French word or is used. In model building, the color gold is different from brass. A shiny or metallic silvertone object can be painted with transparent yellow to obtain goldtone, something often done with Christmas decorations. Bronze is an alloy consisting primarily of copper, commonly with about 12–12.5% tin and often with the addition of other metals and sometimes non-metals or metalloids. Gold leaf is gold that has been hammered into thin sheets (usually around 0.1 μm thick) by a process known as goldbeating, for use in gilding. Gold leaf is a type of metal leaf, but the term is rarely used when referring to gold leaf. The term metal leaf is normally used for thin sheets of metal of any color that do not contain any real gold. Gold leaf is available in a wide variety of karats and shades. The most commonly used gold is 22-karat yellow gold. Golden yellow is often called goldtone or gold tone, or gold ground when describing a gold background. Glitter is an assortment of flat, small, reflective particles that are precision cut and come in a variety of shapes, sizes, and colors. Glitter particles reflect light at different angles, causing the surface to sparkle or shimmer.