Colorizing text in the console with C

Question

How can I write colored text to the console with C    That is  how can I write different text with different colors

User · Answer

You don t need to use any library  Just only write  system  color 4f

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In Windows  you can use any combination of red green and blue on the foreground  text  and the background      you can use these constants FOREGROUND BLUE FOREGROUND GREEN FOREGROUND RED FOREGROUND INTENSITY BACKGROUND BLUE BACKGROUND GREEN BACKGROUND RED BACKGROUND INTENSITY     HANDLE hConsole   GetStdHandle STD OUTPUT HANDLE   SetConsoleTextAttribute hConsole  FOREGROUND BLUE   FOREGROUND GREEN   FOREGROUND INTENSITY   std  cout  lt  lt   I m cyan  Who are you    lt  lt  std  endl    Source  https   msdn microsoft com en-us library windows desktop ms682088 v vs 85  aspx  win32 character attributes

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Do not use  system  Color        if you don t want the entire screen to be filled up with color  This is the script needed to make colored text    include  lt iostream gt   include  lt windows h gt   int main     const WORD colors       0x1A  0x2B  0x3C  0x4D  0x5E  0x6F  0xA1  0xB2  0xC3  0xD4  0xE5  0xF6     HANDLE hstdin   GetStdHandle STD INPUT HANDLE   HANDLE hstdout   GetStdHandle STD OUTPUT HANDLE   WORD   index   0        SetConsoleTextAttribute hstdout  colors index        std  cout  lt  lt   Hello world   lt  lt  std  endl  FlushConsoleInputBuffer hstdin   return 0

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I m not sure what you really want to do  but my guess is you want your C   program to output colored text in the console  right   Don t know about Windows  but on all Unices  including Mac OS X   you d simply use ANSI escape sequences for that

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Standard C   has no notion of  colors   So what you are asking depends on the operating system   For Windows  you can check out the SetConsoleTextAttribute function   On  nix  you have to use the ANSI escape sequences

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ANSI escape color codes   Name            FG  BG Black           30  40 Red             31  41 Green           32  42 Yellow          33  43 Blue            34  44 Magenta         35  45 Cyan            36  46 White           37  47 Bright Black    90  100 Bright Red      91  101 Bright Green    92  102 Bright Yellow   93  103 Bright Blue     94  104 Bright Magenta  95  105 Bright Cyan     96  106 Bright White    97  107  Sample code for C C      include  lt iostream gt   include  lt string gt   int main int argc  char    argv            printf  quot  n quot        printf  quot  x1B 31mTexting 033 0m t t quot        printf  quot  x1B 32mTexting 033 0m t t quot        printf  quot  x1B 33mTexting 033 0m t t quot        printf  quot  x1B 34mTexting 033 0m t t quot        printf  quot  x1B 35mTexting 033 0m n quot             printf  quot  x1B 36mTexting 033 0m t t quot        printf  quot  x1B 36mTexting 033 0m t t quot        printf  quot  x1B 36mTexting 033 0m t t quot        printf  quot  x1B 37mTexting 033 0m t t quot        printf  quot  x1B 93mTexting 033 0m n quot             printf  quot  033 3 42 30mTexting 033 0m t t quot        printf  quot  033 3 43 30mTexting 033 0m t t quot        printf  quot  033 3 44 30mTexting 033 0m t t quot        printf  quot  033 3 104 30mTexting 033 0m t t quot        printf  quot  033 3 100 30mTexting 033 0m n quot         printf  quot  033 3 47 35mTexting 033 0m t t quot        printf  quot  033 2 47 35mTexting 033 0m t t quot        printf  quot  033 1 47 35mTexting 033 0m t t quot        printf  quot  t t quot        printf  quot  n quot         return 0     GCC   g   cpp interactive terminal cpp -o cpp interactive terminal cgi chmod  x cpp interactive terminal cgi   cpp interactive terminal cgi

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You can write methods and call like this    HANDLE  hConsole  hConsole   GetStdHandle STD OUTPUT HANDLE   int col 12      color your text in Windows console mode    colors are 0 black 1 blue 2 green and so on to 15 white      colorattribute   foreground   background   16    to get red text on yellow use 4   14 16   228    light red on yellow would be 12   14 16   236  FlushConsoleInputBuffer hConsole   SetConsoleTextAttribute hConsole  col    cout  lt  lt   Color Text    SetConsoleTextAttribute hConsole  15     set back to black background and white text

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The simplest way you can do is   include  lt stdlib h gt   system  quot Color F3 quot     Where  quot F quot  is the code for the background color and 3 is the code for the text color  Mess around with it to see other color combinations  system  quot Color 1A quot    std  cout  lt  lt   quot Hello  what is your name  quot   lt  lt  std  endl  system  quot Color 3B quot    std  cout  lt  lt   quot Hello  what is your name  quot   lt  lt  std  endl  system  quot Color 4c quot    std  cout  lt  lt   quot Hello  what is your name  quot   lt  lt  std  endl   Note  I only tested on Windows  Works  As pointed out  this is not cross-platform  it will not work on Linux systems

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Add a little Color to your Console Text    HANDLE hConsole   GetStdHandle STD OUTPUT HANDLE        you can loop k higher to see more color choices   for int k   1  k  lt  255  k               pick the colorattribute k you want     SetConsoleTextAttribute hConsole  k       cout  lt  lt  k  lt  lt    I want to be nice today    lt  lt  endl          Character Attributes Here is how the  k  value be interpreted

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Here cplusplus example is an example how to use colors in console

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Assuming you re talking about a Windows console window  look up the console functions in the MSDN Library documentation   Otherwise  or more generally  it depends on the console  Colors are not supported by the C   library  But a library for console handling may will support colors  E g  google  ncurses colors    For connected serial terminals and terminal emulators you can control things by outputting  escape sequences   These typically start with ASCII 27  the escape character in ASCII   There is an ANSI standard and a lot of custom schemes

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On Windows 10 you may use escape sequences this way    ifdef  WIN32 SetConsoleMode GetStdHandle STD OUTPUT HANDLE   ENABLE VIRTUAL TERMINAL PROCESSING    endif    print in red and restore colors default std  cout  lt  lt    033 32m   lt  lt   Error    lt  lt    033 0m   lt  lt  std  endl

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