ΔE 12.4, fair: the same colour family, but not a straight swap. Evergreen Fog is a little lighter, more muted, warmer than Storm Blue.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Evergreen Fog is a little lighter, more muted, warmer than Storm Blue.
The same difference applies the other way round: Storm Blue is a little darker, more saturated, cooler.
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 Storm Blue on the colour wheel See Evergreen Fog on the colour wheel
All matches: Storm Blue equivalents · Evergreen Fog equivalents