ΔE 6.6, close: similar, with a visible difference side by side. Fire Red is cooler than Beast Brown.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Fire Red is cooler than Beast Brown.
The same difference applies the other way round: Beast Brown is 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 Beast Brown on the colour wheel See Fire Red on the colour wheel
All matches: Beast Brown equivalents · Fire Red equivalents