What is the difference between Grim Rust and Vomit?

ΔE 36 (loose). Vomit is noticeably lighter, much more saturated, cooler. Swatch colours are estimates.

Grim Rust vs Vomit

Grim Rust

Brand: Army Painter
Range: John Blanche Vol. 1-4
Code: Vol. 2 Effects
Type: a fluorescent or effect paint
Swatch: #a6591a (estimate)

Vomit

Brand: Vallejo
Range: Game Color Special FX / Fluo
Code: 72.600
Type: a fluorescent or effect paint
Swatch: #f7a229 (estimate)

How close are they?

ΔE 35.6, loose: different enough that you should pick on purpose. Vomit is noticeably lighter, much more saturated, cooler than Grim Rust.

Can I use Vomit instead of Grim Rust?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 36). Vomit is noticeably lighter, much more saturated, cooler than Grim Rust.

Can I use Grim Rust instead of Vomit?

The same difference applies the other way round: Grim Rust is noticeably darker, much more muted, 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 Grim Rust on the colour wheel See Vomit on the colour wheel

Other Vallejo paints close to Grim Rust

Grim Rust vs Galvanic Corrosion (72.610)Game Color Special FX / Fluo · ΔE 22, loose · closer than Vomit
Grim Rust vs Thick Blood (72.602)Game Color Special FX / Fluo · ΔE 30, loose · closer than Vomit
Grim Rust vs Fluorescent Red (71.082)Model Air · ΔE 37, loose

Other Army Painter paints close to Vomit

Vomit vs Neon YellowWarpaints Air · ΔE 48, loose

All matches: Grim Rust equivalents · Vomit equivalents