ΔE 10.3, fair: the same colour family, but not a straight swap. Alizarin Green is a little darker, more muted than Mortarion Green Clear.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Alizarin Green is a little darker, more muted than Mortarion Green Clear.
The same difference applies the other way round: Mortarion Green Clear is a little lighter, 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 Mortarion Green Clear on the colour wheel See Alizarin Green on the colour wheel
All matches: Mortarion Green Clear equivalents · Alizarin Green equivalents