ΔE 9.4, close: similar, with a visible difference side by side. People Eater is a little lighter than Royal Purple.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). People Eater is a little lighter than Royal Purple.
The same difference applies the other way round: Royal Purple is a little darker.
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.
See Royal Purple on the colour wheel See People Eater on the colour wheel
All matches: Royal Purple equivalents · People Eater equivalents