ΔE 12.3, fair: the same colour family, but not a straight swap. Intense Brown is a little lighter, more muted, warmer than Clotted Red.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Intense Brown is a little lighter, more muted, warmer than Clotted Red.
The same difference applies the other way round: Clotted Red is a little darker, 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 Clotted Red on the colour wheel See Intense Brown on the colour wheel
All matches: Clotted Red equivalents · Intense Brown equivalents