How to print color in console using System out println

Question

How can I print color in console  I want to show data in colors when the processor sends data and in different colors when it receives data

User · Answer

The best way to color console text is to use ANSI escape codes. In addition of text color, ANSI escape codes allows background color, decorations and more.

Unix

If you use springboot, there is a specific enum for text coloring: org.springframework.boot.ansi.AnsiColor

Jansi library is a bit more advanced (can use all the ANSI escape codes fonctions), provides an API and has a support for Windows using JNA.

Otherwise, you can manually define your own color, as shown is other responses.

Windows 10

Windows 10 (since build 10.0.10586 - nov. 2015) supports ANSI escape codes (MSDN documentation) but it's not enabled by default. To enable it:

With SetConsoleMode API, use ENABLE_VIRTUAL_TERMINAL_PROCESSING (0x0400) flag. Jansi uses this option.
If SetConsoleMode API is not used, it is possible to change the global registry key HKEY_CURRENT_USER\Console\VirtualTerminalLevel by creating a dword and set it to 0 or 1 for ANSI processing: "VirtualTerminalLevel"=dword:00000001

Before Windows 10

Windows console does not support ANSI colors. But it's possible to use console which does.

User · Answer

You could do this using ANSI escape sequences  I ve actually put together this class in Java for anyone that would like a simple workaround for this  It allows for more than just color codes   https   gist github com nathan-fiscaletti 9dc252d30b51df7d710a   Ported from  https   github com nathan-fiscaletti ansi-util   Example Use   StringBuilder sb   new StringBuilder     System out println      sb raw  Hello            underline  John Doe          resetUnderline          raw              raw  This is           color16 StringBuilder Color16 FG RED   red          raw

User · Answer

Emoji You can use colors for text as others mentioned in their answers  But you can use emojis instead  for example you can use You can use    for warning messages and  for error messages  Or simply use these note books as a color    error message   warning message   ok status message   action message   canceled status message   Or anything you like and want to recognize immediately by color   Bonus  This method also helps you to quickly scan and find logs directly in the source code  But linux and Windows CMD default emoji font is not colorful by default and you may want to make them colorful  first

User · Answer

Try the following enum    enum Color         Color end string  color reset     RESET   033 0m            Regular Colors  Normal color  no bold  background color etc      BLACK   033 0 30m          BLACK     RED   033 0 31m            RED     GREEN   033 0 32m          GREEN     YELLOW   033 0 33m         YELLOW     BLUE   033 0 34m           BLUE     MAGENTA   033 0 35m        MAGENTA     CYAN   033 0 36m           CYAN     WHITE   033 0 37m          WHITE         Bold     BLACK BOLD   033 1 30m         BLACK     RED BOLD   033 1 31m           RED     GREEN BOLD   033 1 32m         GREEN     YELLOW BOLD   033 1 33m        YELLOW     BLUE BOLD   033 1 34m          BLUE     MAGENTA BOLD   033 1 35m       MAGENTA     CYAN BOLD   033 1 36m          CYAN     WHITE BOLD   033 1 37m         WHITE         Underline     BLACK UNDERLINED   033 4 30m           BLACK     RED UNDERLINED   033 4 31m             RED     GREEN UNDERLINED   033 4 32m           GREEN     YELLOW UNDERLINED   033 4 33m          YELLOW     BLUE UNDERLINED   033 4 34m            BLUE     MAGENTA UNDERLINED   033 4 35m         MAGENTA     CYAN UNDERLINED   033 4 36m            CYAN     WHITE UNDERLINED   033 4 37m           WHITE         Background     BLACK BACKGROUND   033 40m         BLACK     RED BACKGROUND   033 41m           RED     GREEN BACKGROUND   033 42m         GREEN     YELLOW BACKGROUND   033 43m        YELLOW     BLUE BACKGROUND   033 44m          BLUE     MAGENTA BACKGROUND   033 45m       MAGENTA     CYAN BACKGROUND   033 46m          CYAN     WHITE BACKGROUND   033 47m         WHITE         High Intensity     BLACK BRIGHT   033 0 90m           BLACK     RED BRIGHT   033 0 91m             RED     GREEN BRIGHT   033 0 92m           GREEN     YELLOW BRIGHT   033 0 93m          YELLOW     BLUE BRIGHT   033 0 94m            BLUE     MAGENTA BRIGHT   033 0 95m         MAGENTA     CYAN BRIGHT   033 0 96m            CYAN     WHITE BRIGHT   033 0 97m           WHITE         Bold High Intensity     BLACK BOLD BRIGHT   033 1 90m          BLACK     RED BOLD BRIGHT   033 1 91m            RED     GREEN BOLD BRIGHT   033 1 92m          GREEN     YELLOW BOLD BRIGHT   033 1 93m         YELLOW     BLUE BOLD BRIGHT   033 1 94m           BLUE     MAGENTA BOLD BRIGHT   033 1 95m        MAGENTA     CYAN BOLD BRIGHT   033 1 96m           CYAN     WHITE BOLD BRIGHT   033 1 97m          WHITE         High Intensity backgrounds     BLACK BACKGROUND BRIGHT   033 0 100m           BLACK     RED BACKGROUND BRIGHT   033 0 101m             RED     GREEN BACKGROUND BRIGHT   033 0 102m           GREEN     YELLOW BACKGROUND BRIGHT   033 0 103m          YELLOW     BLUE BACKGROUND BRIGHT   033 0 104m            BLUE     MAGENTA BACKGROUND BRIGHT   033 0 105m         MAGENTA     CYAN BACKGROUND BRIGHT   033 0 106m            CYAN     WHITE BACKGROUND BRIGHT   033 0 107m           WHITE      private final String code       Color String code            this code   code              Override     public String toString             return code            And now we will make a small example   class RunApp       public static void main String   args             System out print Color BLACK BOLD           System out println  Black Bold            System out print Color RESET            System out print Color YELLOW           System out print Color BLUE BACKGROUND           System out println  YELLOW  amp  BLUE            System out print Color RESET            System out print Color YELLOW           System out println  YELLOW            System out print Color RESET

User · Answer

If your terminal supports it  you can use ANSI escape codes to use color in your output  It generally works for Unix shell prompts  however  it doesn t work for Windows Command Prompt  Although  it does work for Cygwin   For example  you could define constants like these for the colors   public static final String ANSI RESET     u001B 0m   public static final String ANSI BLACK     u001B 30m   public static final String ANSI RED     u001B 31m   public static final String ANSI GREEN     u001B 32m   public static final String ANSI YELLOW     u001B 33m   public static final String ANSI BLUE     u001B 34m   public static final String ANSI PURPLE     u001B 35m   public static final String ANSI CYAN     u001B 36m   public static final String ANSI WHITE     u001B 37m     Then  you could reference those as necessary   For example  using the above constants  you could make the following red text output on supported terminals   System out println ANSI RED    This text is red     ANSI RESET     Update  You might want to check out the Jansi library  It provides an API and has support for Windows using JNI  I haven t tried it yet  however  it looks promising   Update 2  Also  if you wish to change the background color of the text to a different color  you could try the following as well   public static final String ANSI BLACK BACKGROUND     u001B 40m   public static final String ANSI RED BACKGROUND     u001B 41m   public static final String ANSI GREEN BACKGROUND     u001B 42m   public static final String ANSI YELLOW BACKGROUND     u001B 43m   public static final String ANSI BLUE BACKGROUND     u001B 44m   public static final String ANSI PURPLE BACKGROUND     u001B 45m   public static final String ANSI CYAN BACKGROUND     u001B 46m   public static final String ANSI WHITE BACKGROUND     u001B 47m     For instance   System out println ANSI GREEN BACKGROUND    This text has a green background but default text     ANSI RESET   System out println ANSI RED    This text has red text but a default background     ANSI RESET   System out println ANSI GREEN BACKGROUND   ANSI RED    This text has a green background and red text     ANSI RESET

User · Answer

If anyone is looking for a quick solution  feel free to use the following helper class     public class Log        public static final String ANSI RESET     u001B 0m       public static final String ANSI BLACK     u001B 30m       public static final String ANSI RED     u001B 31m       public static final String ANSI GREEN     u001B 32m       public static final String ANSI YELLOW     u001B 33m       public static final String ANSI BLUE     u001B 34m       public static final String ANSI PURPLE     u001B 35m       public static final String ANSI CYAN     u001B 36m       public static final String ANSI WHITE     u001B 37m          info     public static void i String className  String message            System out println ANSI GREEN   className           message   ANSI RESET                error     public static void e String className  String message            System out println ANSI RED   className           message   ANSI RESET                debug     public static void d String className  String message            System out println ANSI BLUE   className           message   ANSI RESET                warning     public static void w String className  String message            System out println ANSI YELLOW   className           message   ANSI RESET              USAGE   Log i TAG  This is an info message     Log e TAG  This is an error message     Log w TAG  This is a warning message     Log d TAG  This is a debug message      Thanks  whiteFang34 for the ANSI codes

User · Answer

Here are a list of colors in a Java class with public static fields  Usage  System out println ConsoleColors RED    RED COLORED    ConsoleColors RESET     NORMAL       Note  Don t forget to use the RESET after printing as the effect will remain if it s not cleared    public class ConsoleColors          Reset     public static final String RESET     033 0m       Text Reset         Regular Colors     public static final String BLACK     033 0 30m        BLACK     public static final String RED     033 0 31m          RED     public static final String GREEN     033 0 32m        GREEN     public static final String YELLOW     033 0 33m       YELLOW     public static final String BLUE     033 0 34m         BLUE     public static final String PURPLE     033 0 35m       PURPLE     public static final String CYAN     033 0 36m         CYAN     public static final String WHITE     033 0 37m        WHITE         Bold     public static final String BLACK BOLD     033 1 30m       BLACK     public static final String RED BOLD     033 1 31m         RED     public static final String GREEN BOLD     033 1 32m       GREEN     public static final String YELLOW BOLD     033 1 33m      YELLOW     public static final String BLUE BOLD     033 1 34m        BLUE     public static final String PURPLE BOLD     033 1 35m      PURPLE     public static final String CYAN BOLD     033 1 36m        CYAN     public static final String WHITE BOLD     033 1 37m       WHITE         Underline     public static final String BLACK UNDERLINED     033 4 30m       BLACK     public static final String RED UNDERLINED     033 4 31m         RED     public static final String GREEN UNDERLINED     033 4 32m       GREEN     public static final String YELLOW UNDERLINED     033 4 33m      YELLOW     public static final String BLUE UNDERLINED     033 4 34m        BLUE     public static final String PURPLE UNDERLINED     033 4 35m      PURPLE     public static final String CYAN UNDERLINED     033 4 36m        CYAN     public static final String WHITE UNDERLINED     033 4 37m       WHITE         Background     public static final String BLACK BACKGROUND     033 40m       BLACK     public static final String RED BACKGROUND     033 41m         RED     public static final String GREEN BACKGROUND     033 42m       GREEN     public static final String YELLOW BACKGROUND     033 43m      YELLOW     public static final String BLUE BACKGROUND     033 44m        BLUE     public static final String PURPLE BACKGROUND     033 45m      PURPLE     public static final String CYAN BACKGROUND     033 46m        CYAN     public static final String WHITE BACKGROUND     033 47m       WHITE         High Intensity     public static final String BLACK BRIGHT     033 0 90m       BLACK     public static final String RED BRIGHT     033 0 91m         RED     public static final String GREEN BRIGHT     033 0 92m       GREEN     public static final String YELLOW BRIGHT     033 0 93m      YELLOW     public static final String BLUE BRIGHT     033 0 94m        BLUE     public static final String PURPLE BRIGHT     033 0 95m      PURPLE     public static final String CYAN BRIGHT     033 0 96m        CYAN     public static final String WHITE BRIGHT     033 0 97m       WHITE         Bold High Intensity     public static final String BLACK BOLD BRIGHT     033 1 90m      BLACK     public static final String RED BOLD BRIGHT     033 1 91m        RED     public static final String GREEN BOLD BRIGHT     033 1 92m      GREEN     public static final String YELLOW BOLD BRIGHT     033 1 93m     YELLOW     public static final String BLUE BOLD BRIGHT     033 1 94m       BLUE     public static final String PURPLE BOLD BRIGHT     033 1 95m     PURPLE     public static final String CYAN BOLD BRIGHT     033 1 96m       CYAN     public static final String WHITE BOLD BRIGHT     033 1 97m      WHITE         High Intensity backgrounds     public static final String BLACK BACKGROUND BRIGHT     033 0 100m     BLACK     public static final String RED BACKGROUND BRIGHT     033 0 101m     RED     public static final String GREEN BACKGROUND BRIGHT     033 0 102m     GREEN     public static final String YELLOW BACKGROUND BRIGHT     033 0 103m     YELLOW     public static final String BLUE BACKGROUND BRIGHT     033 0 104m     BLUE     public static final String PURPLE BACKGROUND BRIGHT     033 0 105m      PURPLE     public static final String CYAN BACKGROUND BRIGHT     033 0 106m       CYAN     public static final String WHITE BACKGROUND BRIGHT     033 0 107m        WHITE

User · Answer

I created a library called JColor that works on Linux  macOS  and Windows 10  It uses the ANSI codes mentioned by WhiteFang  but abstracts them using words instead of codes which is more intuitive  Recently I added support for 8 and 24 bit colors  Choose your format  colorize it  and print it  System out println colorize  quot Green text on blue quot   GREEN TEXT    BLUE BACK       You can also define a format once  and reuse it several times  AnsiFormat fWarning   new AnsiFormat RED TEXT    YELLOW BACK    BOLD     System out println colorize  quot Something bad happened  quot   fWarning     Head over to JColor github repository for some examples

User · Answer

A fairly portable way of doing it is with the raw escape sequences  See http   en wikipedia org wiki ANSI escape code   edited for user9999999 on 2017-02-20   Java doesn t  handle the codes   that s true  but Java outputs what you told it to output  it s not Java s fault that the Windows console treats ESC  chr 27   as just another glyph

User · Answer

Best Solution to print any text in red color in Java is   System err print  Hello World

User · Answer

If you use Kotlin  which works seamlessly with Java   you can make such an enum   enum class AnsiColor private val colorNumber  Byte        BLACK 0   RED 1   GREEN 2   YELLOW 3   BLUE 4   MAGENTA 5   CYAN 6   WHITE 7        companion object           private const val prefix     u001B          const val RESET     prefix 0m          private val isCompatible    win   in System getProperty  os name   toLowerCase              val regular get     if  isCompatible    prefix 0 3  colorNumber m  else        val bold get     if  isCompatible    prefix 1 3  colorNumber m  else        val underline get     if  isCompatible    prefix 4 3  colorNumber m  else        val background get     if  isCompatible    prefix 4  colorNumber m  else        val highIntensity get     if  isCompatible    prefix 0 9  colorNumber m  else        val boldHighIntensity get     if  isCompatible    prefix 1 9  colorNumber m  else        val backgroundHighIntensity get     if  isCompatible    prefix 0 10  colorNumber m  else        And then use is as such   code below showcases the different styles for all colors   val sampleText    This is a sample text  enumValues lt AnsiColor gt    forEach   ansiColor - gt      println    ansiColor regular  sampleText  AnsiColor RESET        println    ansiColor bold  sampleText  AnsiColor RESET        println    ansiColor underline  sampleText  AnsiColor RESET        println    ansiColor background  sampleText  AnsiColor RESET        println    ansiColor highIntensity  sampleText  AnsiColor RESET        println    ansiColor boldHighIntensity  sampleText  AnsiColor RESET        println    ansiColor backgroundHighIntensity  sampleText  AnsiColor RESET        If running on Windows where these ANSI codes are not supported  the isCompatible check avoids issues by replacing the codes with empty string

User · Answer

To strikeout   public static final String ANSI STRIKEOUT BLACK     u001B 30 9m   public static final String ANSI STRIKEOUT RED     u001B 31 9m   public static final String ANSI STRIKEOUT GREEN     u001B 32 9m   public static final String ANSI STRIKEOUT YELLOW     u001B 33 9m   public static final String ANSI STRIKEOUT BLUE     u001B 34 9m   public static final String ANSI STRIKEOUT PURPLE     u001B 35 9m   public static final String ANSI STRIKEOUT CYAN     u001B 36 9m   public static final String ANSI STRIKEOUT WHITE     u001B 37 9m

User · Answer

Using color function to print text with colors  Code   enum Color        RED   033 0 31m            RED     GREEN   033 0 32m          GREEN     YELLOW   033 0 33m         YELLOW     BLUE   033 0 34m           BLUE     MAGENTA   033 0 35m        MAGENTA     CYAN   033 0 36m           CYAN      private final String code      Color String code            this code   code              Override     String toString             return code          def color     color  txt - gt      def RESET COLOR     033 0m      return    color   txt   RESET COLOR       Usage    test       println color Color CYAN   testing

[java] How to print color in console using System.out.println?

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