colortest17x17

#!/bin/bash
#
#   This file echoes a bunch of color codes to the
#   terminal to demonstrate what's available.  Each
#   line is the color code of one forground color,
#   out of 17 (default + 16 escapes), followed by a
#   test use of that color on all nine background
#   colors (default + 8 escapes).
#

T='1il'   # The test text
BGs='7m 40m 100m 41m 101m 42m 102m 43m 103m 44m 104m 45m 105m 46m 106m 47m 107m'
FGs='0m 7m 30m 90m 31m 91m 32m 92m 33m 93m 34m 94m 35m 95m 36m 96m 37m 97m'

printf '            '
for BG in $BGs; do
  printf ' %7s' "$BG"
done
echo

for FG in $FGs; do
  for bold in '' '1;'; do
    fg="$bold$FG"
    printf ' %5s \033[%s  %s  ' "$fg"  "$fg" "$T"
    for BG in $BGs; do
      printf ' \033[%s\033[%s  %s  \033[0m' "$fg" "$BG" "$T"
    done
    echo
  done
done