code: def color(image, factor):
      """Equivalent of PIL Color."""
      degenerate = tf.image.grayscale_to_rgb(
          tf.image.rgb_to_grayscale(image)
      )
      return blend(degenerate, image, factor)
  
imports: import math
  import tensorflow
  import tensorflow_addons
label_desc: Use image node_id 8 for calling a global function with example usage: color(image, factor) and returns: blend