ΔE 13.1, fair: the same colour family, but not a straight swap. Old Rose is a little lighter, more saturated, cooler than Antique Rose.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Old Rose is a little lighter, more saturated, cooler than Antique Rose.
The same difference applies the other way round: Antique Rose is a little darker, 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 Antique Rose on the colour wheel See Old Rose on the colour wheel
All matches: Antique Rose equivalents · Old Rose equivalents