ΔE 11.5, fair: the same colour family, but not a straight swap. Smoke Gray is noticeably darker, warmer than Skavenblight Dinge.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Smoke Gray is noticeably darker, warmer than Skavenblight Dinge.
The same difference applies the other way round: Skavenblight Dinge is noticeably lighter, 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 Skavenblight Dinge on the colour wheel See Smoke Gray on the colour wheel
All matches: Skavenblight Dinge equivalents · Smoke Gray equivalents