Test the console Colors

test_consol_color.sh

#!/usr/bin/env bash

fontColor=38
backgroundColor=48

colortable() {
  base=$1
  count=0
  for colorCode in `seq -w 0 255`; do
    count=$(($count + 1))
    echo -e -n "\033[${base};5;${colorCode}mCode ${colorCode} \033[0m"
    if [[ $count -gt 7 ]]; then
      echo
      count=0
    fi
  done
  echo
}

colorrun() {
  base=$1
  text=$2
  textLength=${#text}
  for colorCode in `seq -w 0 255`; do
    echo -e -n "\033[${base};5;${colorCode}m${text}\033[0m\033[${textLength}D"
    sleep 0.05
  done
  echo
}

rgbColor() {
  base=$1
  count=0
  for rc in `seq -w 0 255`; do 
    for gc in `seq -w 0 255`; do
      for bc in `seq -w 0 255`; do
        count=$(($count + 1))
        echo -e -n "\033[${base};2;${rc};${gc};${bc}mRGB $rc:$gc:$bc \033[0m"
        if [[ $count -gt 10 ]]; then
          echo
          count=0
        fi
      done
    done
  done
  echo
}

colortable $fontColor
colortable $backgroundColor

colorrun $fontColor "Hallo mein Freund"
colorrun $backgroundColor "Hallo mein Freund"

rgbColor $fontColor