#! /bin/bash

# ref: https://sodocumentation.net/bash/topic/7536/associative-arrays

set -u
set -e

declare -A colors=(
  [Black]='\e[0;30m'
  [Blue]='\e[0;34m'
  [Cyan]='\e[0;36m'
  [Green]='\e[0;32m'
  [Purple]='\e[0;35m'
  [Red]='\e[0;31m'
  [White]='\e[0;37m'
  [Yellow]='\e[0;33m'
# Background
  [On_Black]='\e[40m'
  [On_Red]='\e[41m'
  [On_Green]='\e[42m'
  [On_Yellow]='\e[43m'
  [On_Blue]='\e[44m'
  [On_Purple]='\e[45m'
  [On_Cyan]='\e[46m'
  [On_White]='\e[47m'
  )

for k in ${!colors[@]} ; do
   echo $k : ${colors[$k]}
   done