ParaviewComponentAnnotationMap
Use this outputter to produce an annotated color map for paraview (works with version 5.8+)
Usage
Add the following block into the [Outputs]
block in your input file:
This will produce a file named <input_file>_map.json
.
Import this file into paraview via the Color Map Editor window for the vtkBlockColors
variable. You should see a component name associated with each color. See example below:

Figure 1: Example of annotated color map for component blocks