ΔE 9.1, close: similar, with a visible difference side by side. Muddy Clay is a little darker, cooler than Basilisk Red.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Muddy Clay is a little darker, cooler than Basilisk Red.
The same difference applies the other way round: Basilisk Red is a little lighter, warmer.
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 Basilisk Red on the colour wheel See Muddy Clay on the colour wheel
All matches: Basilisk Red equivalents · Muddy Clay equivalents