@malin Some of those look good!
If you don't have an eye for it, things like this can help:
https://atmos.style/color-wheel
Just set it to tetradic and then move the circles around until you're happy.
General tip: Make sure all the colours have (either actually or perceptually) the same level of saturation and lightness. And avoid pure primaries/secondaries, they tend to look "cheap".