How to define color of intersection in a Venn diagram?

Question

I found many resources on how to draw Venn diagrams in R. Stack Overflow has a lot of them. However, I still can\'t draw my diagrams the way I want. Take the following code

Answer 1

It's very easy in eulerr R package

library(eulerr)
plot(euler(c("A"=5,"B"=4,"A&B"=2)),quantities = TRUE,fills=c("white","white","red"))

euler set colours