Sand Golem vs Olive Yellow

How close are they?

ΔE 18.3, loose: different enough that you should pick on purpose. Olive Yellow is more muted, cooler than Sand Golem.

Can I use Olive Yellow instead of Sand Golem?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Olive Yellow is more muted, cooler than Sand Golem.

Can I use Sand Golem instead of Olive Yellow?

The same difference applies the other way round: Sand Golem is more saturated, warmer.

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.