On colors, I know white is probably the most popular, but here are the 2 main reasons why I'd never go back after owning 1 way back:
1.White is the least rewarding to work on as it offers no visual depth or reflectivity. It is difficult to any reflection even when the finish is brand new and in a highly polished condition. Conversely, dark colors like black paint, if properly polished, reflect images like a mirror....(but black is also hard to keep clean & swirls will be more visible...).
You can work all day on white finish, throw every kind of cleaner, polish and wax you have at it, but the end results will be only slightly better than what you can achieve from a one-step cleaner/wax. For a DIYer who enjoys the process as much as the results, it's just the least rewarding.
2. Generally speaking, single-stage white paint is the hardest paint detailers will ever work on. Titanium Dioxide is used as pigment.
Fredrick Mohs created a scale from 1 to 10, for measuring and determining hardness. Hardness refers to the measure of resistance a surfaces has to abrasion. Talc is rated at 1 while a diamond is rated at 10.
Titanium dioxide, the substance used as pigmentation in white paint, is rated at 7 on the Mohs scale. As far as pigments go, titanium dioxide is very hard. By contrast, black paints, (single-stage), are soft. The pigment used to make paint black is Carbon black, which has a Mohs hardness rating of 2.
Why is this more a problem than advantage? Sub-surface defect removal in single-stage white paint is two-fold: It is hard and automotive paints tend to be very thin.
White paints are so hard that when you try removing a scratch, you often end up putting in more, smaller scratches surrounding the scratch while potentially only marginally removing the original scratch itself. Kinda self-defeating and in some cases, risky as you might cut into the primer.

My detailing buddies use rotary buffers. With good polishes and the right buffing pad, the rotary buffer makes paint defect removal easy, except on white paint. The reason is that rotary buffers create heat between the pad and the paint surface. If heat build-up becomes excessive, you can burn the paint. The paint hardness requires more pad pressure, which creates more heat and increases the chances of burning the paint.
That said, & after owning white & black cars, I'm now staying loyal to middle boring ground....Silver. Reflects heat, camouflages dirt, doesn't yellow, stays new longer, ages well.....but yes, boring....that's me. Haha.
