The stronger the pigment means the more accented the color because pigment cause leaves to look darker in color. Less pigment means less leave color.
I believe the answer you are looking for is "Cytoskeleton".
There’s no picture how do I know which one?
The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not. ... Prokaryotes, on the other hand, have no membrane-bound organelles. Another important difference is the DNA structure.
Similar DNA may support "common" ancestry. ☺