ΔE 14.5, fair: the same colour family, but not a straight swap. Wolf Grey is a little lighter, much more muted than Ice Blue.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Wolf Grey is a little lighter, much more muted than Ice Blue.
The same difference applies the other way round: Ice Blue is a little darker, much 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 Ice Blue on the colour wheel See Wolf Grey on the colour wheel
All matches: Ice Blue equivalents · Wolf Grey equivalents