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: Generate the CSS representation of this RGB color.
  
  Returns:
      str, ``"rgb(...)"`` or ``"rgba(...)"``
docstr_tok: ["Generate","the","CSS","representation","of","this","RGB","color",".","Returns",":","str",",","``","``","rgb","(","...",")","''","``","or","``","``","rgba","(","...",")","''","``"]
code: def to_css(self) -> str:
      """Generate the CSS representation of this RGB color.
  
      Returns:
          str, ``"rgb(...)"`` or ``"rgba(...)"``
  
      """
      if self.a == 1.0:
          return f"rgb({self.r}, {self.g}, {self.b})"
      else:
          return f"rgba({self.r}, {self.g}, {self.b}, {self.a})"
  
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 7 for calling the RGB obj's underlying member method code with example usage: obj.to_css() and returns: str, self, str, self, str, self, str, str, self, str, self, str, self, str, self, str