Glowing Inferno vs Tiger Brown

How close are they?

ΔE 7.0, close: similar, with a visible difference side by side. Tiger Brown is more saturated than Glowing Inferno.

Can I use Tiger Brown instead of Glowing Inferno?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Tiger Brown is more saturated than Glowing Inferno.

Can I use Glowing Inferno instead of Tiger Brown?

The same difference applies the other way round: Glowing Inferno is more muted.

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.