Paints › AK Interactive › RLM 66 (1938) › vs Mechanicus Standard GreyRLM 66 (1938) vs Mechanicus Standard Grey
Brand AK Interactive Range 3rd Gen Air Series Code AK11819 Type an opaque base/layer paint Swatch #363e40 (estimate) How close are they?
ΔE 4.3, very close: most people won’t see a difference side by side. Our swatches for the two are almost the same.
Can I use Mechanicus Standard Grey instead of RLM 66 (1938)? Yes, for most jobs. Very close match (ΔE 4). The swatches are almost the same.
Can I use RLM 66 (1938) instead of Mechanicus Standard 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 RLM 66 (1938) on the colour wheel See Mechanicus Standard Grey on the colour wheel
Other Citadel paints close to RLM 66 (1938) Other AK Interactive paints close to Mechanicus Standard Grey All matches: RLM 66 (1938) equivalents · Mechanicus Standard 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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