Paints › AK Interactive › RAF Extra Dark Sea Grey BS381C/640 › vs Basalt GreyRAF Extra Dark Sea Grey BS381C/640 vs Basalt Grey
Brand AK Interactive Range 3rd Gen Air Series Code AK11850 Type an opaque base/layer paint Swatch #4f565e (estimate)
Brand Vallejo Range Model Color Code 70.869 Type an opaque base/layer paint Swatch #52555e (estimate) How close are they?
ΔE 1.7, very close: most people won’t see a difference side by side. Our swatches for the two are almost the same.
Can I use Basalt Grey instead of RAF Extra Dark Sea Grey BS381C/640? Yes, for most jobs. Very close match (ΔE 2). The swatches are almost the same.
Can I use RAF Extra Dark Sea Grey BS381C/640 instead of Basalt 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 RAF Extra Dark Sea Grey BS381C/640 on the colour wheel See Basalt Grey on the colour wheel
Other Vallejo paints close to RAF Extra Dark Sea Grey BS381C/640 Other AK Interactive paints close to Basalt Grey All matches: RAF Extra Dark Sea Grey BS381C/640 equivalents · Basalt 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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