User blog comment:Joe021093/Emerald-Mercury vs Coco-Yatsuhashi Battle Review/@comment-15586611-20151130111700/@comment-26397825-20151130113450

And here is the same screenshot with its colours saturated, which means they are more vibrant and easier to identify, with a comparison picture of Emerald beside it courtesy of Chishio. Very definitely Emerald, not Neo.