ΔE 12.0, fair: the same colour family, but not a straight swap. Olivegrove Green is noticeably darker, warmer than Webbing Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Olivegrove Green is noticeably darker, warmer than Webbing Green.
The same difference applies the other way round: Webbing Green is noticeably 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 Webbing Green on the colour wheel See Olivegrove Green on the colour wheel
All matches: Webbing Green equivalents · Olivegrove Green equivalents