Rust Red — Rust Red carries the oxidized, weathered look of rust on metal, giving it its name. It belongs to the Red,Brown family: a dark, vivid tone with hex code #AA2704 and RGB values of 170, 39, 4. Its dominant channel values give it a warm undertone that reads as vivid rather than flat. Rust Red pairs well with soft pastels for a gentler palette and works nicely in art and illustration palettes. Nearest neighbors: crimson, chestnut.