What is the difference between Red Brown 2 and Rust?

ΔE 6 (close). Rust is a little lighter, cooler. Swatch colours are estimates.

Red Brown 2 vs Rust

Red Brown 2

Brand: Tamiya
Range: XF Flat Acrylic
Code: XF-90
Type: an opaque base/layer paint
Swatch: #5b3e38 (estimate)

Rust

Brand: Vallejo
Range: Model Air
Code: 71.080
Type: an opaque base/layer paint
Swatch: #654a49 (estimate)

How close are they?

ΔE 6.2, close: similar, with a visible difference side by side. Rust is a little lighter, cooler than Red Brown 2.

Can I use Rust instead of Red Brown 2?

Usually, if you are not matching paint already on the model. Close match (ΔE 6). Rust is a little lighter, cooler than Red Brown 2.

Can I use Red Brown 2 instead of Rust?

The same difference applies the other way round: Red Brown 2 is a little darker, 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 Red Brown 2 on the colour wheel See Rust on the colour wheel

Other Vallejo paints close to Red Brown 2

Red Brown 2 vs German Red Brown (71.271)Model Air · ΔE 4, very close · closer than Rust
Red Brown 2 vs Chestnut Brown (70.746)Model Color · ΔE 6, very close · closer than Rust
Red Brown 2 vs Flat Brown (70.984)Model Color · ΔE 6, close · closer than Rust

Other Tamiya paints close to Rust

Rust vs Flat Brown (XF-10)XF Flat Acrylic · ΔE 6, close
Rust vs Dark Earth (AS-22)AS Spray (aircraft) · ΔE 10, fair
Rust vs Red Brown (XF-64)XF Flat Acrylic · ΔE 13, fair

All matches: Red Brown 2 equivalents · Rust equivalents