Droplet gradient color

Quick answer：

Droplet gradient color refers to a visual effect where a droplet of liquid or a surface texture exhibits a gradual change in color from one end to the other. This effect is commonly seen in natural phenomena, such as raindrops or certain types of geological formations. In art and design, it can be created through various techniques, including using pigments that change color over time, or applying multiple layers of translucent colors to create a gradient effect.