Describir: Making the most of extract and replacing an unwanted colour /

             ___     _    _    __   __   _    _    _    _     ____    
  ____      / _ \\  | \  / ||  \ \\/ // | |  | || | || | ||  |  _ \\  
 |    \\   | / \ || |  \/  ||   \ ` //  | |/\| || | || | ||  | |_| || 
 | [] ||   | \_/ || | .  . ||    | ||   |  /\  || | \\_/ ||  | .  //  
 |  __//    \___//  |_|\/|_||    |_||   |_// \_||  \____//   |_|\_\\  
 |_|`-`     `---`   `-`  `-`     `-`'   `-`   `-`   `---`    `-` --`  
 `-`                                                                  
   ___    
  / _ \\  
 | / \ || 
 | \_/ || 
  \___//  
  `---`