What is the difference between Blue Gray and IDF Blue?

ΔE 10 (close). IDF Blue is a little lighter, more muted, cooler. Swatch colours are estimates.

Blue Gray vs IDF Blue

Blue Gray

Brand: Mr. Hobby
Range: Aqueous Hobby Color
Code: H-42
Type: an opaque base/layer paint
Swatch: #3e688b (estimate)

IDF Blue

Brand: Vallejo
Range: Model Air
Code: 71.113
Type: an opaque base/layer paint
Swatch: #4f7287 (estimate)

How close are they?

ΔE 9.5, close: similar, with a visible difference side by side. IDF Blue is a little lighter, more muted, cooler than Blue Gray.

Can I use IDF Blue instead of Blue Gray?

Usually, if you are not matching paint already on the model. Close match (ΔE 10). IDF Blue is a little lighter, more muted, cooler than Blue Gray.

Can I use Blue Gray instead of IDF Blue?

The same difference applies the other way round: Blue Gray is a little darker, more saturated, warmer.

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 Gray on the colour wheel See IDF Blue on the colour wheel

Other Vallejo paints close to Blue Gray

Blue Gray vs Grey Blue (70.943)Model Color · ΔE 7, close · closer than IDF Blue
Blue Gray vs Light Turquoise (70.840)Model Color · ΔE 8, close · closer than IDF Blue
Blue Gray vs Pastel Blue (70.901)Model Color · ΔE 9, close · closer than IDF Blue

Other Mr. Hobby paints close to IDF Blue

IDF Blue vs Intermediate Blue FS35164 (C-366)Mr. Color · ΔE 5, very close · closer than Blue Gray
IDF Blue vs Gray (Grau) (C-514)Mr. Color · ΔE 6, close · closer than Blue Gray
IDF Blue vs Gray (Grau) (H-514)Aqueous Hobby Color · ΔE 6, close · closer than Blue Gray

All matches: Blue Gray equivalents · IDF Blue equivalents