Light Ghost Grey FS 36375 vs Celestra Grey

How close are they?

ΔE 7.3, close: similar, with a visible difference side by side. Celestra Grey is a little darker, more saturated than Light Ghost Grey FS 36375.

Can I use Celestra Grey instead of Light Ghost Grey FS 36375?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Celestra Grey is a little darker, more saturated than Light Ghost Grey FS 36375.

Can I use Light Ghost Grey FS 36375 instead of Celestra Grey?

The same difference applies the other way round: Light Ghost Grey FS 36375 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.