[Console] Mention Terminal color mode support

Author: alexandre-daubois

console.rst

@@ -575,8 +575,8 @@ call ``setAutoExit(false)`` on it to get the command result in ``CommandTester``
     and extend the normal ``\PHPUnit\Framework\TestCase``.
 
 When testing your commands, it could be useful to understand how your command
-reacts on different settings like the width and the height of the terminal.
-You have access to such information thanks to the
+reacts on different settings like the width and the height of the terminal, or
+even the color mode being used. You have access to such information thanks to the
 :class:`Symfony\\Component\\Console\\Terminal` class:
 
     use Symfony\Component\Console\Terminal;
@@ -589,6 +589,17 @@ You have access to such information thanks to the
     // gets the number of columns available
     $width = $terminal->getWidth();
 
+    // gets the color mode
+    $colorMode = $terminal->getColorMode();
+
+    // changes the color mode
+    $colorMode = $terminal->setColorMode(AnsiColorMode::Ansi24);
+
+.. versionadded:: 6.2
+
+    The support for setting and getting the current color mode was introduced
+    in Symfony 6.2.
+
 Logging Command Errors
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