Chamaeleo zeylanicus...skin...

[kinyonga]

"The Indian chameleons (Chamaeleo zeylanicus) have peculiarity that the skin color change will not choose the background colour unlike other chameleons and may not even be able to perceive colour differences"...
https://www.researchgate.net/public..._of_the_Indian_Chameleon_Chamaeleo_zeylanicus