Violet Oxide vs Chalice Red

How close are they?

ΔE 9.7, close: similar, with a visible difference side by side. Chalice Red is more muted, cooler than Violet Oxide.

Can I use Chalice Red instead of Violet Oxide?

Usually, if you are not matching paint already on the model. Close match (ΔE 10). Chalice Red is more muted, cooler than Violet Oxide.

Can I use Violet Oxide instead of Chalice Red?

The same difference applies the other way round: Violet Oxide is 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.