ΔE 10.9, fair: the same colour family, but not a straight swap. Dark Sand is a little darker, more saturated, cooler than Kronos Flesh.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Dark Sand is a little darker, more saturated, cooler than Kronos Flesh.
The same difference applies the other way round: Kronos Flesh 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.
See Kronos Flesh on the colour wheel See Dark Sand on the colour wheel
All matches: Kronos Flesh equivalents · Dark Sand equivalents