ΔE 9.9, close: similar, with a visible difference side by side. Fire Red is more muted, warmer than Crimson Red.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Fire Red is more muted, warmer than Crimson Red.
The same difference applies the other way round: Crimson Red is more saturated, cooler.
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 Crimson Red on the colour wheel See Fire Red on the colour wheel
All matches: Crimson Red equivalents · Fire Red equivalents