Print collorpallet for terminal.

term_colorpallet.sh

#!/bin/sh


for i in {0..255} ; do
    printf "\x1b[38;5;${i}mcolour%3d " "${i}"
    if [ $(expr $i % 7) == 0 ]
    then
        echo
    fi
done

echo -e "\n\n"
echo 'format: \x1b[38;5;{$num}m'
printf "\x1b[38;5;m"