ΔE 11.0, fair: the same colour family, but not a straight swap. Blackened Brown is noticeably darker, more muted than Camo Brown.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Blackened Brown is noticeably darker, more muted than Camo Brown.
The same difference applies the other way round: Camo Brown is noticeably lighter, 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 Camo Brown on the colour wheel See Blackened Brown on the colour wheel
All matches: Camo Brown equivalents · Blackened Brown equivalents