Paints › AK Interactive › RLM 66 (1941) › vs US Earth BrownRLM 66 (1941) vs US Earth Brown
Brand AK Interactive Range 3rd Gen Air Series Code AK11820 Type an opaque base/layer paint Swatch #53524d (estimate)
Brand Vallejo Range Model Air Code 71.290 Type an opaque base/layer paint Swatch #4f4842 (estimate) How close are they?
ΔE 4.7, very close: most people won’t see a difference side by side. US Earth Brown is a little darker than RLM 66 (1941).
Can I use US Earth Brown instead of RLM 66 (1941)? Yes, for most jobs. Very close match (ΔE 5). US Earth Brown is a little darker than RLM 66 (1941).
Can I use RLM 66 (1941) instead of US Earth Brown? The same difference applies the other way round: RLM 66 (1941) is a little lighter.
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 (1941) on the colour wheel See US Earth Brown on the colour wheel
Other Vallejo paints close to RLM 66 (1941) Other AK Interactive paints close to US Earth Brown All matches: RLM 66 (1941) equivalents · US Earth Brown 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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