Crusted Sore vs Violet Oxide

How close are they?

ΔE 8.2, close: similar, with a visible difference side by side. Violet Oxide is a little darker, warmer than Crusted Sore.

Can I use Violet Oxide instead of Crusted Sore?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Violet Oxide is a little darker, warmer than Crusted Sore.

Can I use Crusted Sore instead of Violet Oxide?

The same difference applies the other way round: Crusted Sore is a little lighter, 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.