Paints › Mr. Hobby › Blue FS15044 › vs RLM 66 Black GrayBlue FS15044 vs RLM 66 Black Gray
Brand Mr. Hobby Range Aqueous Hobby Color Code H-326 Type an opaque base/layer paint Swatch #363639 (estimate)
Brand Mr. Hobby Range Mr. Color Code C-116 Type an opaque base/layer paint Swatch #393536 (estimate) How close are they?
ΔE 2.3, very close: most people won’t see a difference side by side. Our swatches for the two are almost the same.
Can I use RLM 66 Black Gray instead of Blue FS15044? Yes, for most jobs. Very close match (ΔE 2). The swatches are almost the same.
Can I use Blue FS15044 instead of RLM 66 Black Gray? 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 Blue FS15044 on the colour wheel See RLM 66 Black Gray on the colour wheel
Other Mr. Hobby paints close to Blue FS15044 Other Mr. Hobby paints close to RLM 66 Black Gray All matches: Blue FS15044 equivalents · RLM 66 Black Gray 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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