What is the difference between Flat Brown and Rust?

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

Flat Brown vs Rust

Flat Brown

Brand: Tamiya
Range: XF Flat Acrylic
Code: XF-10
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 Flat Brown.

Can I use Rust instead of Flat Brown?

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

Can I use Flat Brown instead of Rust?

The same difference applies the other way round: Flat Brown 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 Flat Brown on the colour wheel See Rust on the colour wheel

Other Vallejo paints close to Flat Brown

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

Other Tamiya paints close to Rust

Rust vs Red Brown 2 (XF-90)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: Flat Brown equivalents · Rust equivalents