This knot-like nail art design is downright mesmerizing, especially with all those rainbow stripes.

Image via @chelseaqueen

This manicure perfectly calls to mind a multi-colored Lisa Frank cheetah (and we mean that in the best way possible).

Image via @bangbangnails

It honestly doesn't get much more summery than a neon ombre rainbow nail art design, topped with a sprinkling of holographic glitter.

Image via @heynicenails

These Marimekko-inspired flowers have a mod, artsy appeal.

Image via @astrowifey

There's something fetchingly retro about this graphic design/color palette.

Image via @nailsbyharlig