What exactly makes our skin beige?

[Dragonfall]

Or the darker and lighter variants?

 

[DaveC426913]

Your skin is beige??

Mine's pink (with a tinge of yellow - a sort of flesh colour).


What affects the various shades and tints is primarily http://en.wikipedia.org/wiki/Melanin#Melanin_in_humans". It's also what tans you.