Options:
  -r, --red <exp>       write it in red
  -g, --green <exp>     write it in green
  -b, --blue <exp>      write it in blue
  -c, --cyan <exp>      write it in cyan
  -m, --magenda <exp>   write it in magenda
  -y, --yellow <exp>    write it in yellow
  -u, --unmark <exp>    write it in non-color

  -H, --help        display this help and exit
  -V, --version     display version information and exit