ΔE 11.3, fair: the same colour family, but not a straight swap. Bright Gold is a little lighter, more muted than Thallax Gold.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Bright Gold is a little lighter, more muted than Thallax Gold.
The same difference applies the other way round: Thallax Gold is a little darker, 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 Thallax Gold on the colour wheel See Bright Gold on the colour wheel
All matches: Thallax Gold equivalents · Bright Gold equivalents