I have installed the color picker package provided by Adobe helpx document and I need to use two color pickers in the same tab of a page properties dialog that I'm creating. I have given the following structure for the color pickers.
The first color picker:
The second color picker:
But the output on the dialog appears like this:
Only the first color picker is recognized and the second appears as a normal textfield. How do I include two independent color pickers in the same tab of a dialog?