ΔE 14.2, fair: the same colour family, but not a straight swap. Nocturnal Red is a little lighter, more saturated, warmer than Amphora Red.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Nocturnal Red is a little lighter, more saturated, warmer than Amphora Red.
The same difference applies the other way round: Amphora Red is a little darker, more muted, 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 Amphora Red on the colour wheel See Nocturnal Red on the colour wheel
All matches: Amphora Red equivalents · Nocturnal Red equivalents