* 2021-06-28 17:53:54+0300, Eli Zaretskii wrote:

>> M-: (frame-parameter nil 'cursor-color) RET
>> Returns: "#31363b"
>
> You are being hit by the transparent TTY color translation.
>
> What happens if, instead of #0f0 you use #0000ffff0000 ?

In normal emacs session ("emacs") it returns "#0000ffff0000" but in a
client session ("emacsclient -c") it is still "#31363b".