ΔE 17.1, loose: different enough that you should pick on purpose. Lustria Green is much more saturated, cooler than Schilf Green.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Lustria Green is much more saturated, cooler than Schilf Green.
The same difference applies the other way round: Schilf Green is much more muted, 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 Schilf Green on the colour wheel See Lustria Green on the colour wheel
All matches: Schilf Green equivalents · Lustria Green equivalents