color test

colors.sh

#!/bin/bash

T='gYw'   # The test text

echo -e "\nvFG \ BG >       40m     41m     42m     43m\
     44m     45m     46m     47m";

for FGs in '    m' '   1m' '  30m' '1;30m' '  31m' '1;31m' '  32m' \
           '1;32m' '  33m' '1;33m' '  34m' '1;34m' '  35m' '1;35m' \
           '  36m' '1;36m' '  37m' '1;37m';
  do FG=${FGs// /}
  echo -en " $FGs \033[$FG  $T  "
  for BG in 40m 41m 42m 43m 44m 45m 46m 47m;
    do echo -en "$EINS \033[$FG\033[$BG  $T  \033[0m";
  done
  echo;
done
echo
echo 'Example: print "(color)" in bold green on red background:'
echo 'bold green FG is 1;32m, red background is 41m, so...'
echo
echo -n Example: echo -e "\\033[1;32m\\033[41m(color)\\033[0m"
echo -e " -> \033[1;32m\033[41m(color)\033[0m"