ΔE 5.8, very close: most people won’t see a difference side by side. Thick Blood is a little lighter, more muted than Berserker Bloodshade. They are different kinds of paint: Citadel Berserker Bloodshade is a wash/shade and Vallejo Thick Blood is a fluorescent or effect paint, so they won’t behave the same on the model even where the colour is close.
Yes, for most jobs. Very close match (ΔE 6). Thick Blood is a little lighter, more muted than Berserker Bloodshade. They are different kinds of paint.
The same difference applies the other way round: Berserker Bloodshade is a little darker, more saturated.
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 Berserker Bloodshade on the colour wheel See Thick Blood on the colour wheel
All matches: Berserker Bloodshade equivalents · Thick Blood equivalents