Hmm...yes. This one seems to be partly inspired by SMB2 as well, especially the texture inside the tilesets, which was probably taken from the SMB2 grass sizable seen in a lot of SMB2 levels. This could fit well in an SMB2 level as well as an SMB3 level.
I do like the new Tileset of this. It brings us into a more different Theme for a regular Level like this. Very good work with that. About the color, it can be fitting for a place in the desert or at the mountains but that is just overall my opinion anyway.