[BUG] Color is not working for dark-theme terminals

[suntong]

Describe the bug

The chosen output color is not friendly towards dark-theme terminals

Screenshots

Run tdl version in terminal, and would get:

Version:

It has always been like that since day 1 till now.

Additional context

I'm running it under urxvt, which is the only terminal I have that support Chinese, and it has a black background by default.

[iyear]

Accepted. But the priority won't be high.