ΔE 9.4, close: similar, with a visible difference side by side. Antique Rose is a little lighter, more muted, cooler than Ruddy Terra.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Antique Rose is a little lighter, more muted, cooler than Ruddy Terra.
The same difference applies the other way round: Ruddy Terra is a little darker, more saturated, 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 Ruddy Terra on the colour wheel See Antique Rose on the colour wheel
All matches: Ruddy Terra equivalents · Antique Rose equivalents