ΔE 24.2, loose: different enough that you should pick on purpose. Flesh Wash is noticeably lighter, more muted, warmer than Berserker Bloodshade.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 24). Flesh Wash is noticeably lighter, more muted, warmer than Berserker Bloodshade.
The same difference applies the other way round: Berserker Bloodshade is noticeably darker, more saturated, 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 Berserker Bloodshade on the colour wheel See Flesh Wash on the colour wheel
All matches: Berserker Bloodshade equivalents · Flesh Wash equivalents