ΔE 9.9, close: similar, with a visible difference side by side. Nomad Flesh is a little darker, more saturated than Brown Rose.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Nomad Flesh is a little darker, more saturated than Brown Rose.
The same difference applies the other way round: Brown Rose 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.
See Brown Rose on the colour wheel See Nomad Flesh on the colour wheel
All matches: Brown Rose equivalents · Nomad Flesh equivalents