Ruins Grey vs Combat Fatigues

How close are they?

ΔE 7.6, close: similar, with a visible difference side by side. Combat Fatigues is a little darker, more muted than Ruins Grey.

Can I use Combat Fatigues instead of Ruins Grey?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Combat Fatigues is a little darker, more muted than Ruins Grey.

Can I use Ruins Grey instead of Combat Fatigues?

The same difference applies the other way round: Ruins Grey is a little lighter, 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.