class_docstr: Trait representing a color that can be passed to Google maps.
  
  This is either a string like 'blue' or '#aabbcc' or an RGB
  tuple like (100, 0, 250) or an RGBA tuple like (100, 0, 250, 0.5).
class_docstr_tok: ["Trait","representing","a","color","that","can","be","passed","to","Google","maps",".","This","is","either","a","string","like","'blue","'","or","'","#","aabbcc","'","or","an","RGB","tuple","like","(","100",",","0",",","250",")","or","an","RGBA","tuple","like","(","100",",","0",",","250",",","0.5",")","."]
code: def __init__(
      self,
      default_value=traitlets.Undefined,
      allow_none=False,
      **metadata,
  ):
      trait_types = [
          ColorString(
              default_value=default_value, allow_none=allow_none
          ),
          RgbTuple(),
          RgbaTuple(),
      ]
      super(ColorAlpha, self).__init__(trait_types, **metadata)
  
imports: import re
  import traitlets
  from .locations import locations_to_list
label_desc: Use image node_id 1 to create a new ColorAlpha object from inherited base classes: traitlets with example: obj = ColorAlpha(default_value, allow_none)