ΔE 11.6, fair: the same colour family, but not a straight swap. Carnage Red is more saturated, warmer than Wyvern Fury.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Carnage Red is more saturated, warmer than Wyvern Fury.
The same difference applies the other way round: Wyvern Fury is 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 Wyvern Fury on the colour wheel See Carnage Red on the colour wheel
All matches: Wyvern Fury equivalents · Carnage Red equivalents