ΔE 12.7, fair: the same colour family, but not a straight swap. Blue Green is a little darker, more saturated than Gray FS36320.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Blue Green is a little darker, more saturated than Gray FS36320.
The same difference applies the other way round: Gray FS36320 is a little lighter, 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 Gray FS36320 on the colour wheel See Blue Green on the colour wheel
All matches: Gray FS36320 equivalents · Blue Green equivalents