ΔE 5.7, very close: most people won’t see a difference side by side. Ionrach Skin is more saturated than Grime. They are different kinds of paint: AMMO by Mig Grime is an ink, glaze or transparent paint and Citadel Ionrach Skin is an opaque base/layer 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 6). Ionrach Skin is more saturated than Grime. They are different kinds of paint.
The same difference applies the other way round: Grime is more muted.
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 Grime on the colour wheel See Ionrach Skin on the colour wheel
All matches: Grime equivalents · Ionrach Skin equivalents