ΔE 13.7, fair: the same colour family, but not a straight swap. Red is a little lighter, more saturated, warmer than Muddy Clay.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Red is a little lighter, more saturated, warmer than Muddy Clay.
The same difference applies the other way round: Muddy Clay 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 Muddy Clay on the colour wheel See Red on the colour wheel
All matches: Muddy Clay equivalents · Red equivalents