Mocca Skin vs USA Flat Brown

How close are they?

ΔE 8.7, close: similar, with a visible difference side by side. USA Flat Brown is a little darker, more saturated than Mocca Skin.

Can I use USA Flat Brown instead of Mocca Skin?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). USA Flat Brown is a little darker, more saturated than Mocca Skin.

Can I use Mocca Skin instead of USA Flat Brown?

The same difference applies the other way round: Mocca Skin 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.