Paints › Formula P3 › Underbelly Blue › vs Sky BlueUnderbelly Blue vs Sky Blue
Brand Formula P3 Range Formula P3 Code 93050 Type an opaque base/layer paint Swatch #c1d6d9 (estimate)
Brand Vallejo Range Model Air Code 71.306 Type an opaque base/layer paint Swatch #c1d5d2 (estimate) How close are they?
ΔE 3.2, 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 Blue instead of Underbelly Blue? Yes, for most jobs. Very close match (ΔE 3). The swatches are almost the same.
Can I use Underbelly Blue instead of Sky Blue? 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 Underbelly Blue on the colour wheel See Sky Blue on the colour wheel
Other Vallejo paints close to Underbelly Blue Other Formula P3 paints close to Sky Blue All matches: Underbelly Blue equivalents · Sky 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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