Colored echo output
Use the ANSI escape sequences.
Black 0;30 Dark Gray 1;30
Red 0;31 Light Red 1;31
Green 0;32 Light Green 1;32
Brown/Orange 0;33 Yellow 1;33
Blue 0;34 Light Blue 1;34
Purple 0;35 Light Purple 1;35
Cyan 0;36 Light Cyan 1;36
Light Gray 0;37 White 1;37
Example
RED='\033[0;31m'
NC='\033[0m' # No Color
# Be sure to use the echo command with the -e flag
echo -e "${RED}tomato${NC} <-- damn"