Naιl ρros predicts royals will have to try mani colors in 2021, and the growth of blue nails shows no signs of stopping this fall and winter. “In general, saturated colors are Trending,” Brιttney Boyce, celebrity nail artist and model of NAILS OF LA, Tells BᴜsTle. Blue is even more popular, she says, because it comes in a wide variety of tones and tones, so you can find a shade that seems to suit everyone.