I definitely made a channel in the dev Slack I'm in for algo practice with the description bigOHNOtation.

Shout out to @bigOHNOtation for the inspiration

I like it too. There's cold blue-y dark gray, organic green-y dark gray, warm brown-y dark gray, some colors for harmony and less dark gray of the same hue for highlights. Text is always light gray and slightly spaced for improved readability.
I'm not a graphic designer and no one but me likes my designs though.

Oops wrong rant