Paints › Citadel / Warhammer › Ulthuan Grey › vs Underbelly BlueUlthuan Grey vs Underbelly Blue
Brand Formula P3 Range Formula P3 Code 93050 Type an opaque base/layer paint Swatch #c1d6d9 (estimate) How close are they?
ΔE 5.6, very close: most people won’t see a difference side by side. Underbelly Blue is a little lighter than Ulthuan Grey.
Can I use Underbelly Blue instead of Ulthuan Grey? Yes, for most jobs. Very close match (ΔE 6). Underbelly Blue is a little lighter than Ulthuan Grey.
Can I use Ulthuan Grey instead of Underbelly Blue? The same difference applies the other way round: Ulthuan Grey 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 Ulthuan Grey on the colour wheel See Underbelly Blue on the colour wheel
Other Formula P3 paints close to Ulthuan Grey Other Citadel paints close to Underbelly Blue All matches: Ulthuan Grey equivalents · Underbelly Blue 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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