{ESC}[1m      High intensity.
  {ESC}[1;5m    High intensity and blink.
  {ESC}[30;46m  Black foreground, cyan background.
  {ESC}[m       Turn off all attributes.
  {ESC}[0m      Turn off all attributes.

##</code><code>##

use strict;
use warnings;
print "\x1b[30;46m  This should be black on cyan\n";
print "\x1b[0m  And this should be back to normal\n";