code: def test_as_hex(self):
      pal = palettes.color_palette("deep")
      for rgb, hex in zip(pal, pal.as_hex()):
          assert mpl.colors.rgb2hex(rgb) == hex
  
imports: import colorsys
  import numpy
  import matplotlib
  import pytest
  import numpy.testing
  from seaborn import palettes, utils, rcmod
  from seaborn.external import husl
  from seaborn._compat import get_colormap
  from seaborn.colors import xkcd_rgb, crayons
label_desc: Use image node_id 35 for calling the TestColorPalettes obj's underlying member method code with example usage: obj.test_as_hex() without return types