ΔE 10.6, fair: the same colour family, but not a straight swap. Brown (JGSDF) is more muted, cooler than XV-88.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Brown (JGSDF) is more muted, cooler than XV-88.
The same difference applies the other way round: XV-88 is more saturated, 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 XV-88 on the colour wheel See Brown (JGSDF) on the colour wheel
All matches: XV-88 equivalents · Brown (JGSDF) equivalents