ITAP of a perfectly gradient Fall tree

Image from preview.redd.it and submitted by Bluorchid2
image showing ITAP of a perfectly gradient Fall tree

deadpanxfitter on October 26th, 2022 at 02:10 UTC »

Is this normally how trees change color? I’m asking because I was in Colorado last week and I saw many aspens like this, although most were the brightest yellow I’ve ever seen.

I’m from down south where the leaves change virtually overnight in December then drop all at once, so I’ve never seen this in person until last week. Do they turn yellow then orange then red?