ΔE 14.3, fair: the same colour family, but not a straight swap. Oxide Brown Light is a little darker, much more muted than Rust.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Oxide Brown Light is a little darker, much more muted than Rust.
The same difference applies the other way round: Rust is a little lighter, much more saturated.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Rust on the colour wheel See Oxide Brown Light on the colour wheel
All matches: Rust equivalents · Oxide Brown Light equivalents