ΔE 18.0, loose: different enough that you should pick on purpose. Dark Rose Tan is a little darker, more muted, cooler than Nomad Flesh.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Dark Rose Tan is a little darker, more muted, cooler than Nomad Flesh.
The same difference applies the other way round: Nomad Flesh is a little lighter, 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 Nomad Flesh on the colour wheel See Dark Rose Tan on the colour wheel
All matches: Nomad Flesh equivalents · Dark Rose Tan equivalents