Paints › Citadel / Warhammer › Mechanicus Standard Grey › vs Dark Grey RLM42Mechanicus Standard Grey vs Dark Grey RLM42
Brand Citadel / Warhammer Range Colour: Base Type an opaque base/layer paint Swatch #3a4048 (estimate)
Brand Vallejo Range Model Air Code 71.123 Type an opaque base/layer paint Swatch #474b51 (estimate) How close are they?
ΔE 5.2, very close: most people won’t see a difference side by side. Dark Grey RLM42 is a little lighter than Mechanicus Standard Grey.
Can I use Dark Grey RLM42 instead of Mechanicus Standard Grey? Yes, for most jobs. Very close match (ΔE 5). Dark Grey RLM42 is a little lighter than Mechanicus Standard Grey.
Can I use Mechanicus Standard Grey instead of Dark Grey RLM42? The same difference applies the other way round: Mechanicus Standard Grey is a little 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 Mechanicus Standard Grey on the colour wheel See Dark Grey RLM42 on the colour wheel
Other Vallejo paints close to Mechanicus Standard Grey Other Citadel paints close to Dark Grey RLM42 All matches: Mechanicus Standard Grey equivalents · Dark Grey RLM42 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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