Paints › Army Painter › Grey Castle › vs IJN Medium GreyGrey Castle vs IJN Medium Grey
Brand Army Painter Range Warpaints Fanatic Type an opaque base/layer paint Swatch #9b9a8f (estimate)
Brand Vallejo Range Model Air Code 71.312 Type an opaque base/layer paint Swatch #8e9184 (estimate) How close are they?
ΔE 4.3, very close: most people won’t see a difference side by side. IJN Medium Grey is a little darker than Grey Castle.
Can I use IJN Medium Grey instead of Grey Castle? Yes, for most jobs. Very close match (ΔE 4). IJN Medium Grey is a little darker than Grey Castle.
Can I use Grey Castle instead of IJN Medium Grey? The same difference applies the other way round: Grey Castle is a little lighter.
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 Grey Castle on the colour wheel See IJN Medium Grey on the colour wheel
Other Vallejo paints close to Grey Castle Other Army Painter paints close to IJN Medium Grey All matches: Grey Castle equivalents · IJN Medium Grey equivalents
© 2026 AK Tabletop Studio. Swatch colours are estimates and will differ from the real paints; cross-brand matches are close, never exact.
Chart-listed matches come from the Two Thin Coats Paint Comparison Chart 2024, the Army Painter Warpaints Fanatic conversion chart, the AK 3rd Generation Acrylics equivalence table (2021) and the Herrick Games hobby paint comparison chart; the rest are a nearest-colour calculation.
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