I used to think Colorism was just another form of subtle racism, But now, I think Colorism has many layers it is a manufacture of either internalized racism within anyone’s culture, or an outside product which is usually the case. European-centric beauty standards also take into play.
The others don't make any sense and you could do the process of elimination so you would eliminate lesser and few so then your left with the words less and fewer but in this case fewer makes the most sense.