Titanium Gold vs Bright Bronze

How close are they?

ΔE 8.8, close: similar, with a visible difference side by side. Bright Bronze is more muted, warmer than Titanium Gold.

Can I use Bright Bronze instead of Titanium Gold?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Bright Bronze is more muted, warmer than Titanium Gold.

Can I use Titanium Gold instead of Bright Bronze?

The same difference applies the other way round: Titanium Gold is more saturated, cooler.

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.