bash-toys/toys/color-parade.sh

#!/bin/bash

#
# 	Prints all the available colors with their code.
#

color=16;

while [ $color -lt 245 ]; do
    echo -e "$color: \\033[38;5;${color}mhello\\033[48;5;${color}mworld\\033[0m"
    ((color++));
done