ΔE 12.2, fair: the same colour family, but not a straight swap. Green Yellow is a little lighter, more muted than Field Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Green Yellow is a little lighter, more muted than Field Green.
The same difference applies the other way round: Field Green is a little 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.
See Field Green on the colour wheel See Green Yellow on the colour wheel
All matches: Field Green equivalents · Green Yellow equivalents