ΔE 15.5, loose: different enough that you should pick on purpose. Military Yellow is much more saturated, warmer than Werewolf Brown.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Military Yellow is much more saturated, warmer than Werewolf Brown.
The same difference applies the other way round: Werewolf Brown is much 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 Werewolf Brown on the colour wheel See Military Yellow on the colour wheel
All matches: Werewolf Brown equivalents · Military Yellow equivalents