Blue background color with white font for the legend looks too bright and is hard to read for people with reading disability.

[carun]

Using a black background makes it more readable.

Alternatively in case the legend needs to have a different colors, we can use blue fonts on black background.

[andrewshadura]

I’d say it’s a bit about the terminal settings, since it looks quite legible here:

In any case, I have reduced the about of blueness in attempt to mitigate this issue in the commit d2e0405.