Shell script text color

Ref: https://stackoverflow.com/questions/5947742/how-to-change-the-output-color-of-echo-in-linux

ANSI escape code

Ref: https://en.wikipedia.org/wiki/ANSI_escape_code

BLACK="\033[0;30m"
RED="\033[0;31m"
GREEN="\033[0;32m"
ORANGE="\033[0;33m"
BLUE="\033[0;34m"
PURPLE="\033[0;35m"
CYAN="\033[0;36m"
LGRAY="\033[0;37m"

DGRAY="\033[1;30m"
LRED="\033[1;31m"
LGREEN="\033[1;32m"
YELLOW="\033[1;33m"
LBLUE="\033[1;34m"
LPURPLE="\033[1;35m"
LCYAN="\033[1;36m"
WHITE="\033[1;37m"

DEFAULT="\033[0m"

printf "${RED}red, ${YELLOW}yellow\n"
echo "${BLUE}blue, ${LCYAN}light cyan"

tput

tput setab [1-7] # Set the background colour using ANSI escape
tput setaf [1-7] # Set the foreground colour using ANSI escape

Num  Colour    #define         R G B

0    black     COLOR_BLACK     0,0,0
1    red       COLOR_RED       1,0,0
2    green     COLOR_GREEN     0,1,0
3    yellow    COLOR_YELLOW    1,1,0
4    blue      COLOR_BLUE      0,0,1
5    magenta   COLOR_MAGENTA   1,0,1
6    cyan      COLOR_CYAN      0,1,1
7    white     COLOR_WHITE     1,1,1
tput bold    # Select bold mode
tput dim     # Select dim (half-bright) mode
tput smul    # Enable underline mode
tput rmul    # Disable underline mode
tput sgr0    # Reset text format to the terminal's default
tput bel     # Play a bell
tput clear   # Clear screen and move the cursor to 0,0
BLACK=$(tput setaf 0)
RED=$(tput setaf 1)
GREEN=$(tput setaf 2)
ORANGE=$(tput setaf 3)
BLUE=$(tput setaf 4)
PURPLE=$(tput setaf 5)
CYAN=$(tput setaf 6)
LGRAY=$(tput setaf 7)

BOLD=$(tput bold)

DEFAULT=$(tput sgr0)

printf "${RED}${BOLD}red, ${YELLOW}yellow\n"
echo "${BLUE}blue, ${CYAN}light cyan"