Paints › AMMO by Mig › Sapphire Blue › vs Ulthuan GreySapphire Blue vs Ulthuan Grey
Brand AMMO by Mig Range ATOM Code ATOM-20118 Type an opaque base/layer paint Swatch #b1c5e6 (estimate)
Brand Citadel / Warhammer Range Colour: Layer Type an opaque base/layer paint Swatch #b8c8d0 (estimate) How close are they?
ΔE 13.4, fair: the same colour family, but not a straight swap. Ulthuan Grey is more muted than Sapphire Blue.
Can I use Ulthuan Grey instead of Sapphire Blue? Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Ulthuan Grey is more muted than Sapphire Blue.
Can I use Sapphire Blue instead of Ulthuan Grey? The same difference applies the other way round: Sapphire Blue is more saturated.
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 Sapphire Blue on the colour wheel See Ulthuan Grey on the colour wheel
Other Citadel paints close to Sapphire Blue Other AMMO by Mig paints close to Ulthuan Grey All matches: Sapphire Blue equivalents · Ulthuan 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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