ΔE 8.2, close: similar, with a visible difference side by side. Cadian Fleshtone is a little lighter, cooler than Bullwhack Brown.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Cadian Fleshtone is a little lighter, cooler than Bullwhack Brown.
The same difference applies the other way round: Bullwhack Brown is a little darker, 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 Bullwhack Brown on the colour wheel See Cadian Fleshtone on the colour wheel
All matches: Bullwhack Brown equivalents · Cadian Fleshtone equivalents