I definitely know that this is not a simple question and that the only one true resolution doesn't exist.
But what I noticed is that we usually wear a schematic color combinations. I mean pants are darker than blouses, skirts are darker than our tees. Additionally we've got black winter coats and boots (maybe the camel coat is an exception). What looks really fresh for me is the change for lighter color on the bottom. It breaks all the rules! It does not care about climate, weather or utility. In the inversion these things are less important than being chic and glamour.
I like when bright, colored bottom is compile with black tee, and when white bottom is set together with dark top as well. Both of cases should take place in my looks more often. So maybe it is time to look around for white pants?