ΔE 14.3, fair: the same colour family, but not a straight swap. Zandri Dust is much more saturated, warmer than Sunny Skintone.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Zandri Dust is much more saturated, warmer than Sunny Skintone.
The same difference applies the other way round: Sunny Skintone is much 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.
See Sunny Skintone on the colour wheel See Zandri Dust on the colour wheel
All matches: Sunny Skintone equivalents · Zandri Dust equivalents