Grim Rust vs Fluorescent Yellow

Q: What is the difference between Grim Rust and Fluorescent Yellow?

ΔE 78 (loose). Fluorescent Yellow is noticeably lighter, much more saturated, cooler. Swatch colours are estimates.

Grim Rust

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

Fluorescent Yellow

Brand: Mr. Hobby
Range: Mr. Color
Code: C-172
Type: a fluorescent or effect paint
Swatch: #fff200 (estimate)

How close are they?

ΔE 78.1, loose: different enough that you should pick on purpose. Fluorescent Yellow is noticeably lighter, much more saturated, cooler than Grim Rust.

Can I use Fluorescent Yellow instead of Grim Rust?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 78). Fluorescent Yellow is noticeably lighter, much more saturated, cooler than Grim Rust.

Can I use Grim Rust instead of Fluorescent Yellow?

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 Fluorescent Yellow on the colour wheel

Other Mr. Hobby paints close to Grim Rust

Grim Rust vs Fluorescent Orange (C-173)Mr. Color · ΔE 45, loose · closer than Fluorescent Yellow
Grim Rust vs Fluorescent Orange (N-98)Acrysion · ΔE 45, loose · closer than Fluorescent Yellow
Grim Rust vs Fluorescent Red (C-171)Mr. Color · ΔE 47, loose · closer than Fluorescent Yellow

Other Army Painter paints close to Fluorescent Yellow

Fluorescent Yellow vs Neon YellowWarpaints Air · ΔE 5, very close · closer than Grim Rust

All matches: Grim Rust equivalents · Fluorescent Yellow equivalents