How to set plotly chart to have a transparent background in R?

Question

Here\'s what I have, so far:

f1 <- list(
   family = \"Arial, sans-serif\",
   size = 25,
   color = \"white\"
)
f2 <- list(
   family = \"Old Standard TT,         


        

Answer 1

I find toy need to use rgba AND fig_bgcolor in layout

plt %>%
    layout(plot_bgcolor  = "rgba(0, 0, 0, 0)",
           paper_bgcolor = "rgba(0, 0, 0, 0)",
           fig_bgcolor   = "rgba(0, 0, 0, 0)")