Red Tone vs Berserker Bloodshade

How close are they?

ΔE 6.9, close: similar, with a visible difference side by side. Berserker Bloodshade is more muted than Red Tone.

Can I use Berserker Bloodshade instead of Red Tone?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Berserker Bloodshade is more muted than Red Tone.

Can I use Red Tone instead of Berserker Bloodshade?

The same difference applies the other way round: Red Tone is 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.