I would say the color is going to depend on the overall body and the accessories:
Panel fitment & gap - no matter what color it is if the panels are wavy or fitment is poor it's going to look bad
Whether or not you have a vinyl roof - if so what color would the vinyl be if you paint it the Aztec Gold
Interior color - may not be as important but you kind of want a complimentary contrast
Accessories - wheels/tires, trim (how much brightwork and condition), body kits. These things can make / break a paint job. Kind of like the interior color.
Stance could come into play as well. And don't forget cleaning / waxing & polishing.
Like the paint jobs on the GP and Cutlass PontiacGP & deezy posted. The paint pops but it's not too over-the-top, kind of saddated, draws you in. And each has just the right amount of bright work with the wheels & trim.
But in the end it's what you like and want to see everyday - it's your car!!