Flickering Flame vs Indian Yellow Hue

How close are they?

ΔE 7.4, close: similar, with a visible difference side by side. Indian Yellow Hue is a little lighter than Flickering Flame.

Can I use Indian Yellow Hue instead of Flickering Flame?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Indian Yellow Hue is a little lighter than Flickering Flame.

Can I use Flickering Flame instead of Indian Yellow Hue?

The same difference applies the other way round: Flickering Flame is a little darker.

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.