This color-changing function is produced by groups of blue , red , yellow , brown , and black pigmented chromatophores above a layer of reflective iridophores and leucophores , with up to 200 of these specialized pigment cells per square millimeter , which would correspond to about 359 DPI if they could be individually controlled .
This color-changing function is produced by groups of red , yellow , brown , and black pigmented chromatophores above a layer of reflective iridophores and leucophores .