ΔE 10.3, fair: the same colour family, but not a straight swap. Ivory is more muted, warmer than Sail Color.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Ivory is more muted, warmer than Sail Color.
The same difference applies the other way round: Sail Color is more saturated, 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 Sail Color on the colour wheel See Ivory on the colour wheel
All matches: Sail Color equivalents · Ivory equivalents