I think it's time to start playing with some colors. Yours is definitely my favorite by far. Can I see a B&W, greyscale? I don't like the yellow so would like to see something that just uses the blue and purple and perhaps the blue in a darker shade. And then a version that takes out the yellow star completely.
In the end, I could see using three versions. One that is empty in the middle, one that has the star in the middle (not not yellow), and one that has the star with the lightbulb.
Let me know if this is too much to ask at this point.