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 copy of this color value.
  
  Returns:
      :class:`~bokeh.colors.RGB`
docstr_tok: ["Return","a","copy","of","this","color","value",".","Returns",":",":","class",":","`","~bokeh.colors.RGB","`"]
code: def copy(self) -> RGB:
      """Return a copy of this color value.
  
      Returns:
          :class:`~bokeh.colors.RGB`
  
      """
      return RGB(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 2 for calling the RGB obj's underlying member method code with example usage: obj.copy() and returns: RGB