What is the difference between Mechanicus Standard Grey and RLM 66 Black Gray?

ΔE 8 (close). RLM 66 Black Gray is a little darker. Swatch colours are estimates.

Mechanicus Standard Grey vs RLM 66 Black Gray

Mechanicus Standard Grey

Brand: Citadel / Warhammer
Range: Colour: Air
Type: an opaque base/layer paint
Swatch: #3a4048 (estimate)

RLM 66 Black Gray

Brand: Mr. Hobby
Range: Mr. Color
Code: C-116
Type: an opaque base/layer paint
Swatch: #393536 (estimate)

How close are they?

ΔE 7.5, close: similar, with a visible difference side by side. RLM 66 Black Gray is a little darker than Mechanicus Standard Grey.

Can I use RLM 66 Black Gray instead of Mechanicus Standard Grey?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). RLM 66 Black Gray is a little darker than Mechanicus Standard Grey.

Can I use Mechanicus Standard Grey instead of RLM 66 Black Gray?

The same difference applies the other way round: Mechanicus Standard Grey 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 Mechanicus Standard Grey on the colour wheel See RLM 66 Black Gray on the colour wheel

Other Mr. Hobby paints close to Mechanicus Standard Grey

Mechanicus Standard Grey vs Engine Gray FS16081 (H-339)Aqueous Hobby Color · ΔE 3, very close · closer than RLM 66 Black Gray
Mechanicus Standard Grey vs Midnight Blue (C-71)Mr. Color · ΔE 4, very close · closer than RLM 66 Black Gray
Mechanicus Standard Grey vs Midnight Blue (N-55)Acrysion · ΔE 4, very close · closer than RLM 66 Black Gray

Other Citadel paints close to RLM 66 Black Gray

RLM 66 Black Gray vs Mechanicus Standard GreyColour: Base · ΔE 8, close
RLM 66 Black Gray vs Dryad BarkColour: Base · ΔE 9, close
RLM 66 Black Gray vs Eshin GreyColour: Layer · ΔE 9, close

All matches: Mechanicus Standard Grey equivalents · RLM 66 Black Gray equivalents