Soft Tone vs Berserker Bloodshade

How close are they?

ΔE 26.3, loose: different enough that you should pick on purpose. Berserker Bloodshade is a little darker, more saturated, cooler than Soft Tone.

Can I use Berserker Bloodshade instead of Soft Tone?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 26). Berserker Bloodshade is a little darker, more saturated, cooler than Soft Tone.

Can I use Soft Tone instead of Berserker Bloodshade?

The same difference applies the other way round: Soft Tone is a little lighter, more muted, 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.