I've been searching for a way to disable the bright (bold) colours in a TTY (colours 8 to 15). I'd like all bright colours to use their half-bright counterparts.
When you pipe something through less, the program usually discards color codes because it's not outputting to a TTY. So you have to add --color=always to the options for it to work. ls -l ...
By "alter colors", I mean something like change black from #000000 to #111111, and by "TTY console", I mean what you get when you do Ctrl+Alt+F1 from X11, not a terminal emulator like xterm or urxvt. ...