ΔE 15.1, loose: different enough that you should pick on purpose. Jasper Skin is more saturated, warmer than Purple INK. They are different kinds of paint: AK Interactive Purple INK is an ink, glaze or transparent paint and Army Painter Jasper Skin is an opaque base/layer paint, so they won’t behave the same on the model even where the colour is close.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Jasper Skin is more saturated, warmer than Purple INK. They are different kinds of paint.
The same difference applies the other way round: Purple INK is more muted, 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 Purple INK on the colour wheel See Jasper Skin on the colour wheel
All matches: Purple INK equivalents · Jasper Skin equivalents