ΔE 16.7, loose: different enough that you should pick on purpose. Bright Gold is a little lighter, much more muted than Hoplite Gold.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Bright Gold is a little lighter, much more muted than Hoplite Gold.
The same difference applies the other way round: Hoplite Gold is a little darker, much more saturated.
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.
See Hoplite Gold on the colour wheel See Bright Gold on the colour wheel
All matches: Hoplite Gold equivalents · Bright Gold equivalents