Fuegan Orange vs Orange Brown

How close are they?

ΔE 16.7, loose: different enough that you should pick on purpose. Orange Brown is a little darker, much more muted than Fuegan Orange. They are different kinds of paint: Citadel Fuegan Orange is a wash/shade and Reaper Orange Brown is an opaque base/layer paint, so they won’t behave the same on the model even where the colour is close.

Can I use Orange Brown instead of Fuegan Orange?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Orange Brown is a little darker, much more muted than Fuegan Orange. They are different kinds of paint.

Can I use Fuegan Orange instead of Orange Brown?

The same difference applies the other way round: Fuegan Orange is a little lighter, much more saturated.

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.