ΔE 5.5, very close: most people won’t see a difference side by side. Red Brown is more muted, warmer than Crusted Sore.
Yes, for most jobs. Very close match (ΔE 6). Red Brown is more muted, warmer than Crusted Sore.
The same difference applies the other way round: Crusted Sore 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 Crusted Sore on the colour wheel See Red Brown on the colour wheel
All matches: Crusted Sore equivalents · Red Brown equivalents