Add hex value to Color syntax so it working fine 
Color x 
x = a - f

Modified: trunk/reactos/subsys/system/cmd/color.c

--- trunk/reactos/subsys/system/cmd/color.c	2005-05-12 18:08:25 UTC (rev 15241)
+++ trunk/reactos/subsys/system/cmd/color.c	2005-05-12 18:20:41 UTC (rev 15242)
@@ -91,7 +91,20 @@

 	  if ( (_tcscmp(&rest[0], _T("0")) >=0 ) && (_tcscmp(&rest[0], _T("9")) <=0 ) )
 	  {
         SetConsoleTextAttribute (hConsole, (WORD)_ttoi(rest));

+		return 0;

 	  }	 

+	  else if ( (_tcscmp(&rest[0], _T("a")) >=0 ) && (_tcscmp(&rest[0], _T("f")) <=0 ) )
+	  {	   
+       SetConsoleTextAttribute (hConsole, (WORD) (rest[0] + 10) -  _T('a') );
+	   return 0;
+	  }
+      else if ( (_tcscmp(&rest[0], _T("A")) >=0 ) && (_tcscmp(&rest[0], _T("F")) <=0 ) )
+	  {	   
+       SetConsoleTextAttribute (hConsole, (WORD) (rest[0] + 10) -  _T('A') );
+	   return 0;
+	  }
+	  ConErrResPuts(STRING_COLOR_ERROR2);
+	  return 1;

 	}
 
 	if (StringToColor(&wColor, &rest) == FALSE)