Paints › Army Painter › Grey Castle › vs Grey Blue RLM84Grey Castle vs Grey Blue RLM84
Brand Army Painter Range Warpaints Fanatic Type an opaque base/layer paint Swatch #9b9a8f (estimate)
Brand Vallejo Range Model Air Code 71.103 Type an opaque base/layer paint Swatch #939c91 (estimate) How close are they?
ΔE 3.9, very close: most people won’t see a difference side by side. Our swatches for the two are almost the same.
Can I use Grey Blue RLM84 instead of Grey Castle? Yes, for most jobs. Very close match (ΔE 4). The swatches are almost the same.
Can I use Grey Castle instead of Grey Blue RLM84? The same difference applies the other way round.
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 Grey Blue RLM84 on the colour wheel
Other Vallejo paints close to Grey Castle Other Army Painter paints close to Grey Blue RLM84 All matches: Grey Castle equivalents · Grey Blue RLM84 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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