ΔE 6.7, close: similar, with a visible difference side by side. Sky Blue is a little lighter, more saturated than Light Grey FS 36495.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Sky Blue is a little lighter, more saturated than Light Grey FS 36495.
The same difference applies the other way round: Light Grey FS 36495 is a little darker, 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 Light Grey FS 36495 on the colour wheel See Sky Blue on the colour wheel
All matches: Light Grey FS 36495 equivalents · Sky Blue equivalents