ΔE 12.6, fair: the same colour family, but not a straight swap. Skull Linen is a little darker, more muted than Ashen Stone.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Skull Linen is a little darker, more muted than Ashen Stone.
The same difference applies the other way round: Ashen Stone is a little lighter, 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 Ashen Stone on the colour wheel See Skull Linen on the colour wheel
All matches: Ashen Stone equivalents · Skull Linen equivalents