Military Shader vs Necrosis Green Wash

How close are they?

ΔE 33.2, loose: different enough that you should pick on purpose. Necrosis Green Wash is noticeably lighter, more muted than Military Shader.

Can I use Necrosis Green Wash instead of Military Shader?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 33). Necrosis Green Wash is noticeably lighter, more muted than Military Shader.

Can I use Military Shader instead of Necrosis Green Wash?

The same difference applies the other way round: Military Shader 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.