I can promise you that if you anonymously asked the majority of the rural Brexit voters (rural areas being where the majority of Brexit votes came from), they'll all say that they are culturally closer to white Europeans than to dark skinned non-Europeans.

The UK shares much more and much longer of it's history with Europe than with it's former colonies. We are talking about thousands of years going back to Roman times, instead the less than hundred that the general British colonial rule lasted. The Royal family has Danish and German blood.

Does this mean anything? Not really. It's all semantics.

The actual outcome is very simple: the UK demolished it's ties with it's closest neighbours and biggest single economic block, for some questionable ties with very far away countries. In doing so, it now has very little negotiating power on it's own and has to build many relationships from scratch, from a very weak starting position.

The financial situation of much of the population is dire. The only real reason why one would want to immigrate to the UK is the financial sector, which is still hanging on. If you voted for Brexit, I'd like to say "good luck, I hope you like the taste of the meal you cooked".