Greedy Gold vs Orange You Glad

How close are they?

ΔE 24.6, loose: different enough that you should pick on purpose. Orange You Glad is noticeably lighter, much more saturated than Greedy Gold.

Can I use Orange You Glad instead of Greedy Gold?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 25). Orange You Glad is noticeably lighter, much more saturated than Greedy Gold.

Can I use Greedy Gold instead of Orange You Glad?

The same difference applies the other way round: Greedy Gold is noticeably 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.