Transparent Brown Iron Oxide vs Elf Skin Tone

How close are they?

ΔE 17.6, loose: different enough that you should pick on purpose. Elf Skin Tone is a little lighter, much more muted, cooler than Transparent Brown Iron Oxide.

Can I use Elf Skin Tone instead of Transparent Brown Iron Oxide?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Elf Skin Tone is a little lighter, much more muted, cooler than Transparent Brown Iron Oxide.

Can I use Transparent Brown Iron Oxide instead of Elf Skin Tone?

The same difference applies the other way round: Transparent Brown Iron Oxide is a little darker, much 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.