Europeans drawn from three ancient 'tribes'
bbc.com
bbc.com
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further more, I don't think this has anything to do with Colonialism, if I'm not mistaken, in many Asian countries pale skin is considered a feature of beauty.
If we lend the person you replied to the benefit of the doubt, they could've meant colonialism as a reference to global media or something.
In a peasant society, pale skin means you don't have to work in the fields. In an industrial society, having a tan means that you have the money and free time to get out of the cube farm and vacation somewhere sunny (or at least can afford to go to a tanning salon). This one seems to changing as we learn more about sun damage.
In some societies, being plump means that you're wealthy enough to get plenty to eat, therefore attractive. In our society, being plump means that you eat a lot of cheap, high carb food, and that you can't afford (or don't have the free time) to spend on gym memberships, therefore less attractive.
It's all "stars upon thars".