ΔE 10.4, fair: the same colour family, but not a straight swap. Sand is a little lighter, more muted, warmer than Demon Red.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Sand is a little lighter, more muted, warmer than Demon Red.
The same difference applies the other way round: Demon 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 Demon Red on the colour wheel See Sand on the colour wheel
All matches: Demon Red equivalents · Sand equivalents