ΔE 15.5, loose: different enough that you should pick on purpose. Alizarin Green is a little lighter, more saturated, warmer than German Camo Green.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Alizarin Green is a little lighter, more saturated, warmer than German Camo Green.
The same difference applies the other way round: German Camo Green is a little darker, 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 German Camo Green on the colour wheel See Alizarin Green on the colour wheel
All matches: German Camo Green equivalents · Alizarin Green equivalents