ΔE 8.1, close: similar, with a visible difference side by side. Mortarion Green Clear is a little darker than Lustria Green.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Mortarion Green Clear is a little darker than Lustria Green.
The same difference applies the other way round: Lustria Green is a little lighter.
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 Lustria Green on the colour wheel See Mortarion Green Clear on the colour wheel
All matches: Lustria Green equivalents · Mortarion Green Clear equivalents