ΔE 9.3, close: similar, with a visible difference side by side. Box Wine is a little darker, more saturated, cooler than Brazen Copper.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Box Wine is a little darker, more saturated, cooler than Brazen Copper.
The same difference applies the other way round: Brazen Copper is a little lighter, more muted, 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 Brazen Copper on the colour wheel See Box Wine on the colour wheel
All matches: Brazen Copper equivalents · Box Wine equivalents