Raging Rose vs Dwarven Flesh

How close are they?

ΔE 19.4, loose: different enough that you should pick on purpose. Dwarven Flesh is a little lighter, more saturated, warmer than Raging Rose.

Can I use Dwarven Flesh instead of Raging Rose?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 19). Dwarven Flesh is a little lighter, more saturated, warmer than Raging Rose.

Can I use Raging Rose instead of Dwarven Flesh?

The same difference applies the other way round: Raging Rose is a little darker, 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.