ΔE 10.2, fair: the same colour family, but not a straight swap. Stormcover Grey is a little lighter, more muted than Dark Feldgrau.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Stormcover Grey is a little lighter, more muted than Dark Feldgrau.
The same difference applies the other way round: Dark Feldgrau is a little darker, 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 Dark Feldgrau on the colour wheel See Stormcover Grey on the colour wheel
All matches: Dark Feldgrau equivalents · Stormcover Grey equivalents