ΔE 11.6, fair: the same colour family, but not a straight swap. Skavenblight Dinge is a little lighter, more muted, warmer than WWI French Green 1.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Skavenblight Dinge is a little lighter, more muted, warmer than WWI French Green 1.
The same difference applies the other way round: WWI French Green 1 is a little darker, 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 French Green 1 on the colour wheel See Skavenblight Dinge on the colour wheel
All matches: WWI French Green 1 equivalents · Skavenblight Dinge equivalents