Radiation Glow vs Ember Orange

How close are they?

ΔE 10.6, fair: the same colour family, but not a straight swap. Ember Orange is a little darker than Radiation Glow.

Can I use Ember Orange instead of Radiation Glow?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Ember Orange is a little darker than Radiation Glow.

Can I use Radiation Glow instead of Ember Orange?

The same difference applies the other way round: Radiation Glow is a little lighter.

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.