Revise paste BASH Shell Script Color Library

#!/bin/bash
#Based on post at:
#http://www.reddit.com/r/linux/comments/qagsu/easy_colors_for_shell_scripts_color_library/

bold=`echo -en "\e[1m"`
 underline=`echo -en "\e[4m"`
 dim=`echo -en "\e[2m"`
 strickthrough=`echo -en "\e[9m"`
 blink=`echo -en "\e[5m"`
 reverse=`echo -en "\e[7m"`
 hidden=`echo -en "\e[8m"`
 normal=`echo -en "\e[0m"`
 black=`echo -en "\e[30m"`
 red=`echo -en "\e[31m"`
 green=`echo -en "\e[32m"`
 orange=`echo -en "\e[33m"`
 blue=`echo -en "\e[34m"`
 purple=`echo -en "\e[35m"`
 aqua=`echo -en "\e[36m"`
 gray=`echo -en "\e[37m"`
 darkgray=`echo -en "\e[90m"`
 lightred=`echo -en "\e[91m"`
 lightgreen=`echo -en "\e[92m"`
 lightyellow=`echo -en "\e[93m"`
 lightblue=`echo -en "\e[94m"`
 lightpurple=`echo -en "\e[95m"`
 lightaqua=`echo -en "\e[96m"`
 white=`echo -en "\e[97m"`
 default=`echo -en "\e[39m"`
 BLACK=`echo -en "\e[40m"`
 RED=`echo -en "\e[41m"`
 GREEN=`echo -en "\e[42m"`
 ORANGE=`echo -en "\e[43m"`
 BLUE=`echo -en "\e[44m"`
 PURPLE=`echo -en "\e[45m"`
 AQUA=`echo -en "\e[46m"`
 GRAY=`echo -en "\e[47m"`
 DARKGRAY=`echo -en "\e[100m"`
 LIGHTRED=`echo -en "\e[101m"`
 LIGHTGREEN=`echo -en "\e[102m"`
 LIGHTYELLOW=`echo -en "\e[103m"`
 LIGHTBLUE=`echo -en "\e[104m"`
 LIGHTPURPLE=`echo -en "\e[105m"`
 LIGHTAQUA=`echo -en "\e[106m"`
 WHITE=`echo -en "\e[107m"`
 DEFAULT=`echo -en "\e[49m"`

clear

echo "${purple}This is purple"
echo "${red}This is red"
echo "$normal"

echo "${underline}This is underlined"
echo "${blue}This is underlined and blue"
echo "$normal"

echo "${GREEN}The background is green"
echo "${lightblue}and the text is light blue"
echo "$normal"

echo "${strickthrough}This has a line through it"
echo "$normal"