ΔE 9.5, close: similar, with a visible difference side by side. Scarlet Red is more saturated, warmer than Wyvern Fury.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Scarlet 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 Scarlet Red on the colour wheel
All matches: Wyvern Fury equivalents · Scarlet Red equivalents