Melancholic Grey vs Company Grey

How close are they?

ΔE 6.6, close: similar, with a visible difference side by side. Company Grey is more muted than Melancholic Grey.

Can I use Company Grey instead of Melancholic Grey?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Company Grey is more muted than Melancholic Grey.

Can I use Melancholic Grey instead of Company Grey?

The same difference applies the other way round: Melancholic Grey is more saturated.

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.