Paints › Citadel / Warhammer › Calgar Blue › vs Ultramarine HighlightCalgar Blue vs Ultramarine Highlight
Brand Citadel / Warhammer Range Colour: Layer Type an opaque base/layer paint Swatch #2a60a8 (estimate)
Brand Reaper Range Master Series Paints Code 09189 Type an opaque base/layer paint Swatch #0066ac (estimate) How close are they?
ΔE 5.6, very close: most people won’t see a difference side by side. Ultramarine Highlight is cooler than Calgar Blue.
Can I use Ultramarine Highlight instead of Calgar Blue? Yes, for most jobs. Very close match (ΔE 6). Ultramarine Highlight is cooler than Calgar Blue.
Can I use Calgar Blue instead of Ultramarine Highlight? The same difference applies the other way round: Calgar Blue is warmer.
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 Calgar Blue on the colour wheel See Ultramarine Highlight on the colour wheel
Other Reaper paints close to Calgar Blue Other Citadel paints close to Ultramarine Highlight All matches: Calgar Blue equivalents · Ultramarine Highlight 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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