ΔE 14.3, fair: the same colour family, but not a straight swap. Bag of Bones is a little lighter, warmer than Ratling Grime.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Bag of Bones is a little lighter, warmer than Ratling Grime.
The same difference applies the other way round: Ratling Grime 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 Ratling Grime on the colour wheel See Bag of Bones on the colour wheel
All matches: Ratling Grime equivalents · Bag of Bones equivalents