ΔE 11.1, fair: the same colour family, but not a straight swap. Vanilla Drop is a little darker, more saturated than Ice Yellow.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Vanilla Drop is a little darker, more saturated than Ice Yellow.
The same difference applies the other way round: Ice Yellow is a little lighter, more muted.
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 Vanilla Drop on the colour wheel
All matches: Ice Yellow equivalents · Vanilla Drop equivalents