ΔE 18.1, loose: different enough that you should pick on purpose. Camoufl age Brown is noticeably lighter, more saturated than March of the Fire Ants.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Camoufl age Brown is noticeably lighter, more saturated than March of the Fire Ants.
The same difference applies the other way round: March of the Fire Ants is noticeably darker, more muted.
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 March of the Fire Ants on the colour wheel See Camoufl age Brown on the colour wheel
All matches: March of the Fire Ants equivalents · Camoufl age Brown equivalents