Ice Storm vs Wolven Grey

How close are they?

ΔE 11.5, fair: the same colour family, but not a straight swap. Wolven Grey is a little darker, more muted than Ice Storm.

Can I use Wolven Grey instead of Ice Storm?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Wolven Grey is a little darker, more muted than Ice Storm.

Can I use Ice Storm instead of Wolven Grey?

The same difference applies the other way round: Ice Storm 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.