notcurses takes this to its logical extreme: https://nick-black.com/dankwiki/index.php/Notcurses#Transparency.2FContrasting https://nick-black.com/dankwiki/inde

notcurses takes this to its logical extreme: https://nick-black.com/dankwiki/index.php/Notcurses#Transparency.2FContrasting https://nick-black.com/dankwiki/index.php/Notcurses#Transpar... check it out in notcurses-demo -- pretty crazy stuff