ΔE 10.7, fair: the same colour family, but not a straight swap. Emerald Forest is a little darker, more saturated, warmer than Light Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Emerald Forest is a little darker, more saturated, warmer than Light Green.
The same difference applies the other way round: Light Green is a little lighter, more muted, 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 Light Green on the colour wheel See Emerald Forest on the colour wheel
All matches: Light Green equivalents · Emerald Forest equivalents