ΔE 4.8, very close: most people won’t see a difference side by side. Gray FS36081 is a little darker, warmer than Night Sky.
Yes, for most jobs. Very close match (ΔE 5). Gray FS36081 is a little darker, warmer than Night Sky.
The same difference applies the other way round: Night Sky is a little lighter, 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 Night Sky on the colour wheel See Gray FS36081 on the colour wheel
All matches: Night Sky equivalents · Gray FS36081 equivalents