ΔE 8.9, close: similar, with a visible difference side by side. Pacific Green is more muted than Medieval Forest.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Pacific Green is more muted than Medieval Forest.
The same difference applies the other way round: Medieval Forest is more saturated.
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 Medieval Forest on the colour wheel See Pacific Green on the colour wheel
All matches: Medieval Forest equivalents · Pacific Green equivalents