ΔE 14.6, fair: the same colour family, but not a straight swap. Natural Flesh is a little darker, warmer than Ice Yellow.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Natural Flesh is a little darker, warmer than Ice Yellow.
The same difference applies the other way round: Ice Yellow is a little lighter, 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 Ice Yellow on the colour wheel See Natural Flesh on the colour wheel
All matches: Ice Yellow equivalents · Natural Flesh equivalents