ΔE 13.9, fair: the same colour family, but not a straight swap. Olivegrove Green is a little darker, warmer than Schilf Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Olivegrove Green is a little darker, warmer than Schilf Green.
The same difference applies the other way round: Schilf Green is a little lighter, 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 Schilf Green on the colour wheel See Olivegrove Green on the colour wheel
All matches: Schilf Green equivalents · Olivegrove Green equivalents