ΔE 27.7, loose: different enough that you should pick on purpose. Old Rose is noticeably lighter, more saturated, cooler than Violet Oxide.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 28). Old Rose is noticeably lighter, more saturated, cooler than Violet Oxide.
The same difference applies the other way round: Violet Oxide is noticeably 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 Violet Oxide on the colour wheel See Old Rose on the colour wheel
All matches: Violet Oxide equivalents · Old Rose equivalents