Thrall Flesh vs Off-White

How close are they?

ΔE 16.0, loose: different enough that you should pick on purpose. Off-White is more muted, warmer than Thrall Flesh.

Can I use Off-White instead of Thrall Flesh?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Off-White is more muted, warmer than Thrall Flesh.

Can I use Thrall Flesh instead of Off-White?

The same difference applies the other way round: Thrall Flesh is more saturated, 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.