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