Most of the colors in nature are produced by pigments, but there are still some beautiful beings that form colors due to the interaction of unique microscopic structures and visible light, which is structural colors. The structural color is very gorgeous, can change with the perspective and conditions, such as the peacock feathers under the microscope, you can see the brilliant blue-purple, but once the feathers are put into the water, it will become turquoise. Let's enjoy these stars-like colors together!
Source: Beijing Municipal Education Commission