ΔE 10.4, fair: the same colour family, but not a straight swap. Thondia Brown is a little lighter, more saturated, warmer than Rifle Brown.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Thondia Brown is a little lighter, more saturated, warmer than Rifle Brown.
The same difference applies the other way round: Rifle Brown is a little darker, more muted, 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 Rifle Brown on the colour wheel See Thondia Brown on the colour wheel
All matches: Rifle Brown equivalents · Thondia Brown equivalents