Paints › Army Painter › Rough Iron › vs Boiler BlackRough Iron vs Boiler Black
Brand Army Painter Range Warpaints Fanatic Type a metallic Swatch #3a3a3a (estimate)
Brand Formula P3 Range P3 Metallics Code 93172 Type a metallic Swatch #52524f (estimate) How close are they?
ΔE 10.5, fair: the same colour family, but not a straight swap. Boiler Black is noticeably lighter than Rough Iron.
Can I use Boiler Black instead of Rough Iron? Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Boiler Black is noticeably lighter than Rough Iron.
Can I use Rough Iron instead of Boiler Black? The same difference applies the other way round: Rough Iron 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 Rough Iron on the colour wheel See Boiler Black on the colour wheel
Other Formula P3 paints close to Rough Iron Other Army Painter paints close to Boiler Black All matches: Rough Iron equivalents · Boiler 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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