ΔE 4.8, very close: most people won’t see a difference side by side. Caspian Blue is a little lighter, cooler than Iron Wolf.
Yes, for most jobs. Very close match (ΔE 5). Caspian Blue is a little lighter, cooler than Iron Wolf.
The same difference applies the other way round: Iron Wolf is a little darker, warmer.
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 Iron Wolf on the colour wheel See Caspian Blue on the colour wheel
All matches: Iron Wolf equivalents · Caspian Blue equivalents