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