class_docstr: Represent colors by specifying their Red, Green, and Blue channels.
  
  Alpha values may also optionally be provided. Otherwise, alpha values
  default to 1.
class_docstr_tok: ["Represent","colors","by","specifying","their","Red",",","Green",",","and","Blue","channels",".","Alpha","values","may","also","optionally","be","provided",".","Otherwise",",","alpha","values","default","to","1","."]
docstr: Return a hex color string for this RGB(A) color.
  
  Any alpha value is only included in the output string if it is less
  than 1.
  
  Returns:
      str, ``"#RRGGBBAA"`` if alpha is less than 1 and ``"#RRGGBB"``
      otherwise
docstr_tok: ["Return","a","hex","color","string","for","this","RGB","(","A",")","color",".","Any","alpha","value","is","only","included","in","the","output","string","if","it","is","less","than","1",".","Returns",":","str",",","``","``","#","RRGGBBAA","''","``","if","alpha","is","less","than","1","and","``","``","#","RRGGBB","''","``","otherwise"]
code: def to_hex(self) -> str:
      """Return a hex color string for this RGB(A) color.
  
      Any alpha value is only included in the output string if it is less
      than 1.
  
      Returns:
          str, ``"#RRGGBBAA"`` if alpha is less than 1 and ``"#RRGGBB"``
          otherwise
  
      """
      if self.a < 1.0:
          return f"#{self.r:02x}{self.g:02x}{self.b:02x}{int(round(self.a*255)):02x}"
      else:
          return f"#{self.r:02x}{self.g:02x}{self.b:02x}"
  
imports: from __future__ import annotations
  import logging
  import colorsys
  from abc import ABCMeta, abstractmethod
  from math import sqrt
  from re import match
  from typing import TYPE_CHECKING, Union
  from ..core.serialization import AnyRep, Serializable, Serializer
  from ..util.deprecation import deprecated
label_desc: Use image node_id 8 for calling the RGB obj's underlying member method code with example usage: obj.to_hex() and returns: str, self, self, self, int, str, self, self, self