Paints › AK Interactive › RAF Medium Sea Grey BS381C/637 › vs Light GreyRAF Medium Sea Grey BS381C/637 vs Light Grey
Brand AK Interactive Range 3rd Gen Air Series Code AK11843 Type an opaque base/layer paint Swatch #818c92 (estimate)
Brand Vallejo Range Model Color Code 70.990 Type an opaque base/layer paint Swatch #80878a (estimate) How close are they?
ΔE 2.8, very close: most people won’t see a difference side by side. Our swatches for the two are almost the same.
Can I use Light Grey instead of RAF Medium Sea Grey BS381C/637? Yes, for most jobs. Very close match (ΔE 3). The swatches are almost the same.
Can I use RAF Medium Sea Grey BS381C/637 instead of Light 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 Medium Sea Grey BS381C/637 on the colour wheel See Light Grey on the colour wheel
Other Vallejo paints close to RAF Medium Sea Grey BS381C/637 Other AK Interactive paints close to Light Grey All matches: RAF Medium Sea Grey BS381C/637 equivalents · Light 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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