ΔE 13.1, fair: the same colour family, but not a straight swap. Reptilian Green is a little darker, much more saturated than Evergreen Fog.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Reptilian Green is a little darker, much more saturated than Evergreen Fog.
The same difference applies the other way round: Evergreen Fog is a little lighter, much more muted.
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 Reptilian Green on the colour wheel
All matches: Evergreen Fog equivalents · Reptilian Green equivalents