Atmospheric Perspective Study

[Theory2D]

So in light of some previous critiques, I've decided to do a series of studies on certain elements which need work. The first of which I've included here. One issue I began to question was the idea of rationing saturation. In the image below everything in the foreground is fairly saturated, but if I were to try to ration it, I found that many of the colors would match those in the background elements thus hurting the perception of depth. Is it a good idea to ration saturation at all in light of this?

I also wanted to hone in on a more bold, alla primaish style which could blend in with some opacity alteration (i.e. in the atmosphere) and hope I was able to accomplish that, but any critiques on that would also be appreciated.

Thanks all!