ΔE 11.5, fair: the same colour family, but not a straight swap. Skavenblight Dinge is a little lighter, warmer than Dark Drab.
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, warmer than Dark Drab.
The same difference applies the other way round: Dark Drab is a little darker, 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 Dark Drab on the colour wheel See Skavenblight Dinge on the colour wheel
All matches: Dark Drab equivalents · Skavenblight Dinge equivalents