Paints › Army Painter › Grey Castle › vs Medium Sea GrayGrey Castle vs Medium Sea Gray
Brand Army Painter Range Warpaints Fanatic Type an opaque base/layer paint Swatch #9b9a8f (estimate)
Brand Tamiya Range AS Spray (aircraft) Code AS-11 Type an opaque base/layer paint Swatch #a8aa9d (estimate) How close are they?
ΔE 5.9, very close: most people won’t see a difference side by side. Medium Sea Gray is a little lighter than Grey Castle.
Can I use Medium Sea Gray instead of Grey Castle? Yes, for most jobs. Very close match (ΔE 6). Medium Sea Gray is a little lighter than Grey Castle.
Can I use Grey Castle instead of Medium Sea Gray? The same difference applies the other way round: Grey Castle 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 Grey Castle on the colour wheel See Medium Sea Gray on the colour wheel
Other Tamiya paints close to Grey Castle Other Army Painter paints close to Medium Sea Gray All matches: Grey Castle equivalents · Medium Sea Gray 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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