Druchii Violet vs Piggy Purple Ink

How close are they?

ΔE 13.6, fair: the same colour family, but not a straight swap. Piggy Purple Ink is a little lighter, cooler than Druchii Violet. They are different kinds of paint: Citadel Druchii Violet is a wash/shade and Formula P3 Piggy Purple Ink is an ink, glaze or transparent paint, so they won’t behave the same on the model even where the colour is close.

Can I use Piggy Purple Ink instead of Druchii Violet?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Piggy Purple Ink is a little lighter, cooler than Druchii Violet. They are different kinds of paint.

Can I use Druchii Violet instead of Piggy Purple Ink?

The same difference applies the other way round: Druchii Violet is a little darker, 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.