Paints › Citadel / Warhammer › Ulthuan Grey › vs Sky GreyUlthuan Grey vs Sky Grey
Brand Citadel / Warhammer Range Colour: Layer Type an opaque base/layer paint Swatch #b8c8d0 (estimate)
Brand Nocturna Models Range N-Paint Basic Code NA16 Type an opaque base/layer paint Swatch #bec7c9 (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 Sky Grey instead of Ulthuan Grey? Yes, for most jobs. Very close match (ΔE 4). The swatches are almost the same.
Can I use Ulthuan Grey instead of Sky Grey? 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 Ulthuan Grey on the colour wheel See Sky Grey on the colour wheel
Other Nocturna Models paints close to Ulthuan Grey Other Citadel paints close to Sky Grey All matches: Ulthuan Grey equivalents · Sky 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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