ΔE 13.8, fair: the same colour family, but not a straight swap. Ink Violet is much more muted than Transparent Purple.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Ink Violet is much more muted than Transparent Purple.
The same difference applies the other way round: Transparent Purple is much more saturated.
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 Transparent Purple on the colour wheel See Ink Violet on the colour wheel
All matches: Transparent Purple equivalents · Ink Violet equivalents