Paints › Nocturna Models › Old Brass › vs Obsidian BlackOld Brass vs Obsidian Black
Brand Nocturna Models Range N-Paint Metal Code NA49 Type a metallic Swatch #1c1413 (estimate)
Brand Vallejo Range True Metallic Metal Code 77.180 Airbrush Type a metallic Swatch #4a4c4c (estimate) How close are they?
ΔE 25.5, loose: different enough that you should pick on purpose. Obsidian Black is noticeably lighter than Old Brass.
Can I use Obsidian Black instead of Old Brass? Not as a straight swap; see the closer alternatives below. Loose match (ΔE 25). Obsidian Black is noticeably lighter than Old Brass.
Can I use Old Brass instead of Obsidian Black? The same difference applies the other way round: Old Brass is noticeably darker.
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 Old Brass on the colour wheel See Obsidian Black on the colour wheel
Other Vallejo paints close to Old Brass Other Nocturna Models paints close to Obsidian Black All matches: Old Brass equivalents · Obsidian Black 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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