> What foreground/background colors are readable (white/black and black/white perform about on par, with yellow/blue being the best IIRC), destructive actions s

> What foreground/background colors are readable (white/black and black/white perform about on par, with yellow/blue being the best IIRC), destructive actions shouldn't be next to constructive (at the minimum there should be a separator between 'Save' and 'Quit'), ... Agreed, but hasn't all of this research already been done? I thought these are well understood already. A/B testing hamburger menus literally sounds insane to me