The color changes are executed by two different kinds of cells in the octopus' skin, mainly by color cells on the skin's surface call chromatophores.
颜色的变化是由章鱼皮肤上的两种不同的细胞造成的，主要是皮肤表面的色素细胞。
2
Just below the chromatophores is a layer of cells that reflect light from the environment, and these cells help the octopus create a precise match with the colors that surround them.
色素团下面是一层细胞，它可以反射周围环境的光，这些细胞可以帮助章鱼精确地匹配周围的颜色。
3
These are bioluminescent chromatophores, and they glow in the dark like fireflies.