How do chameleon bodies know what color to change to and when to change to it?

Question

How do chameleon bodies know what color to change to and when to change to it?

In: 145

Answer 1

So, someone else mentioned that Chameleons don’t change color for camouflage, but it’s worth noting that the Cuttlefish and the Octopus *do* change colors for camouflage, much like we often think Chameleons do, *and they can do it in complete darkness*, matching both color and texture. Cuttlefish are also colorblind, adding even more confusion to how the fuck they do it.