ΔE 8.0, close: similar, with a visible difference side by side. Black Red is more muted, cooler than Leather.
✓ AMMO ATOM user guide chart lists these two as equivalents.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Black Red is more muted, cooler than Leather.
The same difference applies the other way round: Leather is more saturated, warmer.
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.
See Leather on the colour wheel See Black Red on the colour wheel
All matches: Leather equivalents · Black Red equivalents