Beast Hide vs US Interior Yellow

How close are they?

ΔE 16.6, loose: different enough that you should pick on purpose. US Interior Yellow is a little lighter, much more saturated than Beast Hide.

Can I use US Interior Yellow instead of Beast Hide?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). US Interior Yellow is a little lighter, much more saturated than Beast Hide.

Can I use Beast Hide instead of US Interior Yellow?

The same difference applies the other way round: Beast Hide is a little darker, much 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.