True enough, the wallpaper got toned down ... And they're probably all down to the iPhone X and iOS 11 in 2017. By getting rid of the Home button, Apple had to introduce us all to new gestures ...
However, if you keep a Wallpapers album in Photos like I do, you can tweak the ‘Save to Photo Album’ action to use that album instead. There’s another useful way to grab colors directly on your iPhone ...