[R] What is the HEX code for "transparent" color?

[Duncan Murdoch]

On 2024-06-06 4:37 a.m., Yosu Yurramendi wrote:
> What is the HEX code for "transparent" color?
> I've tried "00000000" "FFFFFF00" "FFFFFFFF", but they don't work.

If the other answers don't solve your problem, you should give us some 
context.  Not all graphics functions in R can handle transparency, so 
please show us some reproducible code for what you are trying.

Duncan Murdoch