ΔE 10.8, fair: the same colour family, but not a straight swap. Averland Sunset is a little darker, warmer than Light Rust.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Averland Sunset is a little darker, warmer than Light Rust.
The same difference applies the other way round: Light Rust is a little lighter, cooler.
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 Light Rust on the colour wheel See Averland Sunset on the colour wheel
All matches: Light Rust equivalents · Averland Sunset equivalents