Teal is one of the more sophisticated polish colours in my opinion. Essie Go Overboard is a dark teal creme. I only own 2 Essie nail polishes but I really like the bottles and the formulas seem to be fairly consistent. They dry quickly and you get nice even coverage in 2 coats. Excuse the little hiccup around my ring finger cuticle. That nail was giving me awful hassle for some reason.
Go overboard is so glossy on its own, it really is a great polish. Although I love this polish I do think they are overpriced at €13 in boots. I have my eye on a few colours but I think I'll have to try some alternatives until I can find them a bit cheaper.