I want the white to be pure, but I think I'm turning the gold foil too much into yellow in the process of changing the brightness / saturation.
Here's the original:
and what I have currently:
As you can see, a lot of the gold foil turns into a yellowish color. The white part looks a lot cleaner though so I am satisfied with that. How would I adjust just the gold / yellow?
An example of the tone that I want is this: