view terminfo colors and their corresponding color code

colors.sh

#!/bin/bash

# origin: https://unix.stackexchange.com/questions/269077/tput-setaf-color-table-how-to-determine-color-codes

color(){
    for c; do
        printf '\e[48;5;%dm%03d ' $c $c            # adding one more space in the end to seperate the numbers
    done
    printf '\e[0m \n'
}

IFS=$' \t\n'
color {0..15}
for ((i=0;i<6;i++)); do
    color $(seq $((i*36+16)) $((i*36+51)))
done
color {232..255}