Indian Shadow vs Charred Brown

How close are they?

ΔE 9.9, close: similar, with a visible difference side by side. Charred Brown is a little darker, more muted, warmer than Indian Shadow.

Can I use Charred Brown instead of Indian Shadow?

Usually, if you are not matching paint already on the model. Close match (ΔE 10). Charred Brown is a little darker, more muted, warmer than Indian Shadow.

Can I use Indian Shadow instead of Charred Brown?

The same difference applies the other way round: Indian Shadow is a little lighter, more saturated, cooler.

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.