ΔE 8.2, close: similar, with a visible difference side by side. Aged Hide is a little lighter, more muted than Vermillion. They are different kinds of paint: AK Interactive Vermillion is an opaque base/layer paint and Army Painter Aged Hide is a one-coat contrast-style paint, so they won’t behave the same on the model even where the colour is close.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Aged Hide is a little lighter, more muted than Vermillion. They are different kinds of paint.
The same difference applies the other way round: Vermillion is a little 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 Vermillion on the colour wheel See Aged Hide on the colour wheel
All matches: Vermillion equivalents · Aged Hide equivalents