Ivory Tusk vs Highlight Skin

How close are they?

ΔE 8.3, close: similar, with a visible difference side by side. Highlight Skin is more muted, warmer than Ivory Tusk.

Can I use Highlight Skin instead of Ivory Tusk?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Highlight Skin is more muted, warmer than Ivory Tusk.

Can I use Ivory Tusk instead of Highlight Skin?

The same difference applies the other way round: Ivory Tusk 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.