ΔE 8.1, close: similar, with a visible difference side by side. Pastel Green is more muted, warmer than WWI German Light Green.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Pastel Green is more muted, warmer than WWI German Light Green.
The same difference applies the other way round: WWI German Light Green is more saturated, cooler.
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 WWI German Light Green on the colour wheel See Pastel Green on the colour wheel
All matches: WWI German Light Green equivalents · Pastel Green equivalents