Deep Red vs Violet Red

How close are they?

ΔE 7.8, close: similar, with a visible difference side by side. Violet Red is a little lighter, cooler than Deep Red.

Can I use Violet Red instead of Deep Red?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Violet Red is a little lighter, cooler than Deep Red.

Can I use Deep Red instead of Violet Red?

The same difference applies the other way round: Deep Red is a little darker, 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.