What is the difference between Orange Fluor and Grim Rust?

ΔE 32 (loose). Grim Rust is noticeably darker, much more muted, warmer. Swatch colours are estimates.

Orange Fluor vs Grim Rust

Orange Fluor

Brand: AK Interactive
Range: Glow Precision Fluor
Code: AK12113
Type: a fluorescent or effect paint
Swatch: #ea5d0a (estimate)

Grim Rust

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

How close are they?

ΔE 32.2, loose: different enough that you should pick on purpose. Grim Rust is noticeably darker, much more muted, warmer than Orange Fluor.

Can I use Grim Rust instead of Orange Fluor?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 32). Grim Rust is noticeably darker, much more muted, warmer than Orange Fluor.

Can I use Orange Fluor instead of Grim Rust?

The same difference applies the other way round: Orange Fluor is noticeably lighter, much more saturated, cooler.

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 Orange Fluor on the colour wheel See Grim Rust on the colour wheel

Other Army Painter paints close to Orange Fluor

Orange Fluor vs Neon YellowWarpaints Air · ΔE 80, loose

Other AK Interactive paints close to Grim Rust

Grim Rust vs Fluorescent Orange (AK11081)3rd Gen Standard · ΔE 31, loose · closer than Orange Fluor
Grim Rust vs Light Orange Fluor (AK12112)Glow Precision Fluor · ΔE 39, loose
Grim Rust vs Red Fluor (AK12110)Glow Precision Fluor · ΔE 40, loose

All matches: Orange Fluor equivalents · Grim Rust equivalents