ΔE 4.6, very close: most people won’t see a difference side by side. Asphalt Ink is a little lighter than Abaddon Black. They are different kinds of paint: Citadel Abaddon Black is an opaque base/layer paint and Nocturna Models Asphalt Ink is an ink, glaze or transparent paint, so they won’t behave the same on the model even where the colour is close.
Yes, for most jobs. Very close match (ΔE 5). Asphalt Ink is a little lighter than Abaddon Black. They are different kinds of paint.
The same difference applies the other way round: Abaddon Black is a little darker.
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 Abaddon Black on the colour wheel See Asphalt Ink on the colour wheel
All matches: Abaddon Black equivalents · Asphalt Ink equivalents