Rebel Red vs Wonka Violet

How close are they?

ΔE 9.8, close: similar, with a visible difference side by side. Wonka Violet is a little darker, more muted, cooler than Rebel Red.

Can I use Wonka Violet instead of Rebel Red?

Usually, if you are not matching paint already on the model. Close match (ΔE 10). Wonka Violet is a little darker, more muted, cooler than Rebel Red.

Can I use Rebel Red instead of Wonka Violet?

The same difference applies the other way round: Rebel Red is a little lighter, 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.