ΔE 20.5, loose: different enough that you should pick on purpose. Transparent Brown Iron Oxide is noticeably darker, more saturated, warmer than Nomad Flesh.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Transparent Brown Iron Oxide is noticeably darker, more saturated, warmer than Nomad Flesh.
The same difference applies the other way round: Nomad Flesh is noticeably lighter, more muted, cooler.
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 Transparent Brown Iron Oxide on the colour wheel
All matches: Nomad Flesh equivalents · Transparent Brown Iron Oxide equivalents