ΔE 15.5, loose: different enough that you should pick on purpose. Squig Orange is a little darker, much more saturated than Nomad Flesh.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Squig Orange is a little darker, much more saturated than Nomad Flesh.
The same difference applies the other way round: Nomad Flesh is a little lighter, much 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 Nomad Flesh on the colour wheel See Squig Orange on the colour wheel
All matches: Nomad Flesh equivalents · Squig Orange equivalents