ΔE 12.7, fair: the same colour family, but not a straight swap. Orange Rust is more muted, cooler than Incursion Orange.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Orange Rust is more muted, cooler than Incursion Orange.
The same difference applies the other way round: Incursion Orange is more saturated, warmer.
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 Incursion Orange on the colour wheel See Orange Rust on the colour wheel
All matches: Incursion Orange equivalents · Orange Rust equivalents