Colors in bash scripting

#!/usr/bin/bash
# Call this script into your script adding the line :
# source /path/to/this/script/named/colors
# and then you can use all the variables exported here
# for example :
#     printf "$green Este texto esta en verde"
#     echo "${red}${underline}este texto esta en rojo y subrayado"
#
export bold=`echo -en "\e[1m"`
export underline=`echo -en "\e[4m"`
export dim=`echo -en "\e[2m"`
export strickthrough=`echo -en "\e[9m"`
export blink=`echo -en "\e[5m"`
export reverse=`echo -en "\e[7m"`
export hidden=`echo -en "\e[8m"`
export normal=`echo -en "\e[0m"`
export black=`echo -en "\e[30m"`
export red=`echo -en "\e[31m"`
export green=`echo -en "\e[32m"`
export orange=`echo -en "\e[33m"`
export blue=`echo -en "\e[34m"`
export purple=`echo -en "\e[35m"`
export aqua=`echo -en "\e[36m"`
export gray=`echo -en "\e[37m"`
export darkgray=`echo -en "\e[90m"`
export lightred=`echo -en "\e[91m"`
export lightgreen=`echo -en "\e[92m"`
export lightyellow=`echo -en "\e[93m"`
export lightblue=`echo -en "\e[94m"`
export lightpurple=`echo -en "\e[95m"`
export lightaqua=`echo -en "\e[96m"`
export white=`echo -en "\e[97m"`
export default=`echo -en "\e[39m"`
export BLACK=`echo -en "\e[40m"`
export RED=`echo -en "\e[41m"`
export GREEN=`echo -en "\e[42m"`
export ORANGE=`echo -en "\e[43m"`
export BLUE=`echo -en "\e[44m"`
export PURPLE=`echo -en "\e[45m"`
export AQUA=`echo -en "\e[46m"`
export GRAY=`echo -en "\e[47m"`
export DARKGRAY=`echo -en "\e[100m"`
export LIGHTRED=`echo -en "\e[101m"`
export LIGHTGREEN=`echo -en "\e[102m"`
export LIGHTYELLOW=`echo -en "\e[103m"`
export LIGHTBLUE=`echo -en "\e[104m"`
export LIGHTPURPLE=`echo -en "\e[105m"`
export LIGHTAQUA=`echo -en "\e[106m"`
export WHITE=`echo -en "\e[107m"`
export DEFAULT=`echo -en "\e[49m"`