text: class PigmentError(Exception):
      """The base class for all Pigment exceptions"""
  
      pass
  
  
  class WrongLengthError(PigmentError, ValueError):
      """The argument provided had an invalid length
  
      Note:
          Also a subclass of ``ValueError``
  
      Attributes:
          argument (str): The name of the argument
      """
  
      def __init__(self, argument: str = None):
          if argument:
              super().__init__(f"argument {argument} has an invalid length")
          else:
              super().__init__(f"argument has an invalid length")
  
  
  class InvalidRGBValue(PigmentError, ValueError):
      """A value was invalid when converting or saving a color in RGB form
  
      Note:
          Also a subclass of ``ValueError``
      """
  
      def __init__(self):
          super().__init__("invalid RGB value")
  