ΔE 13.7, fair: the same colour family, but not a straight swap. Green Yellow is noticeably lighter, warmer than Military Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Green Yellow is noticeably lighter, warmer than Military Green.
The same difference applies the other way round: Military Green is noticeably darker, 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 Military Green on the colour wheel See Green Yellow on the colour wheel
All matches: Military Green equivalents · Green Yellow equivalents