ΔE 10.0, fair: the same colour family, but not a straight swap. Earth Green (Early) is a little lighter, cooler than Troll Shadow.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Earth Green (Early) is a little lighter, cooler than Troll Shadow.
The same difference applies the other way round: Troll Shadow is a little darker, 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 Troll Shadow on the colour wheel See Earth Green (Early) on the colour wheel
All matches: Troll Shadow equivalents · Earth Green (Early) equivalents