ΔE 22.0, loose: different enough that you should pick on purpose. Kislev Flesh is noticeably lighter, warmer than Dark Nude Pink.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 22). Kislev Flesh is noticeably lighter, warmer than Dark Nude Pink.
The same difference applies the other way round: Dark Nude Pink is noticeably darker, 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 Dark Nude Pink on the colour wheel See Kislev Flesh on the colour wheel
All matches: Dark Nude Pink equivalents · Kislev Flesh equivalents