Dirty Grey vs Mocca Skin

How close are they?

ΔE 8.4, close: similar, with a visible difference side by side. Mocca Skin is more saturated, warmer than Dirty Grey.

Can I use Mocca Skin instead of Dirty Grey?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Mocca Skin is more saturated, warmer than Dirty Grey.

Can I use Dirty Grey instead of Mocca Skin?

The same difference applies the other way round: Dirty Grey is more muted, 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.