IMO, it's very common for a football team's helmet color to not exactly match the jersey color even if intent is for them to be the same. Gold, given that it's "metallic", just seems to be much, much harder if not impossible. I'd imagine if our helmets/colors were silver, we'd be saying the same things. Pay attention to other teams and you might notice the same thing even if a little more subtle. If the helmet is given any sort of metallic finish, no matter the color, you'll see that it's usually a little off. Hell, even Texas' away uniforms (W/W/W) the helmets don't really match the jerseys if you really examine them. Mainly due to "finish" of each.
Edited to say that I agree that the 'Aints do seem to get it right.