ΔE 12.6, fair: the same colour family, but not a straight swap. Loren Forest is cooler than Field Green FS 34097.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Loren Forest is cooler than Field Green FS 34097.
The same difference applies the other way round: Field Green FS 34097 is warmer.
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 FS 34097 on the colour wheel See Loren Forest on the colour wheel
All matches: Field Green FS 34097 equivalents · Loren Forest equivalents