Yeah that’s what I meant…dark boards.
But okay I see what you mean about dark colors. I know nothing about making anything so in my mind for some reason I’m always thinking two colors but in actuality several more are used.
Which should have been obvious to me
So I might take another look. I think I would walk back my first suggestion (the first link) but I think I still like the second one a lot.
ETA: Here’s a few more I like.
https://coolors.co/palette/3fc1c0-20...-1c558e-1d4e89
https://coolors.co/palette/48beff-3d...-3d7068-14453d
https://coolors.co/palette/0377a8-11...-a0f1da-b4fadc
https://coolors.co/palette/114b5f-10...-027da9-035e86