ΔE 33.2, loose: different enough that you should pick on purpose. Necrosis Green Wash is noticeably lighter, more muted than Military Shade.
✓ Two Thin Coats comparison chart lists these two as equivalents.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 33). Necrosis Green Wash is noticeably lighter, more muted than Military Shade.
The same difference applies the other way round: Military Shade is noticeably darker, 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 Military Shade on the colour wheel See Necrosis Green Wash on the colour wheel
All matches: Military Shade equivalents · Necrosis Green Wash equivalents