It looks consistent with Disney's usual exaggerated colorful lighting they use for lush night time nature scenery. Even Tokyo Disneysea's Mount Prometheus uses similar colors at night.
It's disappointing that they didn't include the tree and Mama Odie's boat atop the mountain like that first piece of art. I'm still holding out to see whether the interior scenes are handled well. But if that's what the facade look like at night, I think it's quite pretty. I'm not having any issue distinguishing between this and Pandora either. The scenery specific to the American South and swamp are still clearly visible and distinct. And lighting wise, you've got vivid blues for moonlight, faint hints of green, and warm yellow white for lanterns and fireflies. The glowing pink lilypads are also pretty. It's an exaggerated Disney-fied lighting/color package, but also entirely consistent with the movie-