Hobgrot Hide vs Oxide Brown Light

How close are they?

ΔE 16.7, loose: different enough that you should pick on purpose. Oxide Brown Light is a little darker, more saturated than Hobgrot Hide.

Can I use Oxide Brown Light instead of Hobgrot Hide?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Oxide Brown Light is a little darker, more saturated than Hobgrot Hide.

Can I use Hobgrot Hide instead of Oxide Brown Light?

The same difference applies the other way round: Hobgrot Hide is a little lighter, 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.