ΔE 10.3, fair: the same colour family, but not a straight swap. Boreal Green is a little darker, more saturated, cooler than Evergreen Fog.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Boreal Green is a little darker, more saturated, cooler than Evergreen Fog.
The same difference applies the other way round: Evergreen Fog is a little lighter, more muted, 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 Evergreen Fog on the colour wheel See Boreal Green on the colour wheel
All matches: Evergreen Fog equivalents · Boreal Green equivalents