class_docstr: Numeric Field Distribution
class_docstr_tok: ["Numeric","Field","Distribution"]
docstr: Returns color code list.
code: def colors(self):
      """Returns color code list."""
      return self._colors
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from typing import Tuple, Dict
  from xai.data import explorer
  from xai.formatter.contents.base import Content
  from xai.formatter.writer.base import Writer
label_desc: Use image node_id 6 for calling the NumericFieldDistribution obj's underlying member method code with example usage: obj.colors() and returns: self