I feel for you, @user1499291455 , and for everyone else in your position.
I was driving yesterday on a route that took me through three separate towns over about 10 miles, and the England flags were on every lamp post along the whole distance. The sheer cumulative effect felt oppressive even to this white person, and must surely be positively intimidating to people of colour.
The people working so hard to generate imagery must have known it would be intimidating to every person of colour. Even if in their minds they experienced themselves as making a distinction between people of colour and recent immigrants, it is hard to believe they would do something so knowingly intimidating without racism being part of their motivation, conscious or unconscious.
I live in a relatively white part of the UK, and until recently I had associated racism with the parts of the my region that were most disadvantaged, where anger and a sense of exclusion are rife. But this was in a different part of the county, which I had thought of as more insulated from racism.
Interestingly there were also paid-for billboard ads, with a union jack background, that had messages critical of Labour policy in relation to farmers. It's an agricultural area, and it felt like evidence of the new Reform-style right just seizing on whatever anxious currents they can find and using misinformation to magnify this anxiety.