ΔE 10.0, close: similar, with a visible difference side by side. Sunset Red is more muted, cooler than RLM 23 Red.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Sunset Red is more muted, cooler than RLM 23 Red.
The same difference applies the other way round: RLM 23 Red 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.
See RLM 23 Red on the colour wheel See Sunset Red on the colour wheel
All matches: RLM 23 Red equivalents · Sunset Red equivalents