Paints › Mr. Hobby › Medium Seagray BS637 › vs BS Med. Sea GreyMedium Seagray BS637 vs BS Med. Sea Grey
Brand Mr. Hobby Range Mr. Color Code C-363 Type an opaque base/layer paint Swatch #72868c (estimate)
Brand Vallejo Range Model Air Code 71.307 Type an opaque base/layer paint Swatch #768487 (estimate) How close are they?
ΔE 2.7, very close: most people won’t see a difference side by side. Our swatches for the two are almost the same.
Can I use BS Med. Sea Grey instead of Medium Seagray BS637? Yes, for most jobs. Very close match (ΔE 3). The swatches are almost the same.
Can I use Medium Seagray BS637 instead of BS Med. Sea 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 Medium Seagray BS637 on the colour wheel See BS Med. Sea Grey on the colour wheel
Other Vallejo paints close to Medium Seagray BS637 Other Mr. Hobby paints close to BS Med. Sea Grey All matches: Medium Seagray BS637 equivalents · BS Med. Sea 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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