ΔE 14.5, fair: the same colour family, but not a straight swap. Japan. Unif. WWII is a little lighter, much more saturated, cooler than Coyote Brown.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Japan. Unif. WWII is a little lighter, much more saturated, cooler than Coyote Brown.
The same difference applies the other way round: Coyote Brown is a little darker, much 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 Coyote Brown on the colour wheel See Japan. Unif. WWII on the colour wheel
All matches: Coyote Brown equivalents · Japan. Unif. WWII equivalents