The first Britons were black, Natural History Museum DNA study reveals

[Regulus]

How infallible are the pioneering genetic sequencing and facial reconstruction techniques?
But genetic sequencing that would have been impossible just ten years ago have now allowed them to determine the colour of its skin, eyes, and hair.

Anyway, speculation aside. Ancestors seems to still be living in that region.
https://www.independent.co.uk/news/t...n-1271817.html

http://realhistoryww.com/world_histo...cans_celts.htm

Here is a map which I think is important to be aware of in this context. Europe didn't look at all like today
https://www.anglotopia.net/british-h...till-attached/