Fire Giant Orange vs Dreadnought Yellow

How close are they?

ΔE 11.6, fair: the same colour family, but not a straight swap. Dreadnought Yellow is a little darker, more muted than Fire Giant Orange.

Can I use Dreadnought Yellow instead of Fire Giant Orange?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Dreadnought Yellow is a little darker, more muted than Fire Giant Orange.

Can I use Fire Giant Orange instead of Dreadnought Yellow?

The same difference applies the other way round: Fire Giant Orange is a little lighter, 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.