ΔE 29.1, loose: different enough that you should pick on purpose. Electric Blue is a little darker, much more saturated than Wolven Grey.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 29). Electric Blue is a little darker, much more saturated than Wolven Grey.
The same difference applies the other way round: Wolven Grey is a little lighter, much 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 Electric Blue on the colour wheel
All matches: Wolven Grey equivalents · Electric Blue equivalents