ΔE 6.5, close: similar, with a visible difference side by side. Burnt Red is a little lighter, more saturated than Chaotic Red.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Burnt Red is a little lighter, more saturated than Chaotic Red.
The same difference applies the other way round: Chaotic Red is a little darker, more muted.
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 Chaotic Red on the colour wheel See Burnt Red on the colour wheel
All matches: Chaotic Red equivalents · Burnt Red equivalents