ΔE 12.2, fair: the same colour family, but not a straight swap. Gore-Grunta Fur is noticeably lighter, more muted than Skin INK. They are different kinds of paint: AK Interactive Skin INK is an ink, glaze or transparent paint and Citadel Gore-Grunta Fur is a one-coat contrast-style paint, so they won’t behave the same on the model even where the colour is close.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Gore-Grunta Fur is noticeably lighter, more muted than Skin INK. They are different kinds of paint.
The same difference applies the other way round: Skin INK is noticeably darker, 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 Skin INK on the colour wheel See Gore-Grunta Fur on the colour wheel
All matches: Skin INK equivalents · Gore-Grunta Fur equivalents