Orruk Flesh vs Ordic Olive

How close are they?

ΔE 19.7, loose: different enough that you should pick on purpose. Ordic Olive is more muted, warmer than Orruk Flesh.

Can I use Ordic Olive instead of Orruk Flesh?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Ordic Olive is more muted, warmer than Orruk Flesh.

Can I use Orruk Flesh instead of Ordic Olive?

The same difference applies the other way round: Orruk 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.