Full set of gradient nail art pictures 2015 models

Quick answer：

Gradient nail art refers to a design technique where colors are blended smoothly to create a gradient effect. It became popular in 2015 and has since been a trendy choice for nail designs. This style typically involves using multiple colors that transition from light to dark or vice versa, often on a single nail. The pictures mentioned likely showcase various gradient nail art designs that were popular during that time.