I need to paint some clear silicone black. What kind of paint should I use?

I had to seal my headlights on my car with clear silicone to stop the condensation. I need to paint it black because it looks terrible.I need to paint some clear silicone black. What kind of paint should I use?
It is virtually impossible to paint silicone and have it stick. You should have used black silicone. You may need to dig the clear out and add or layer black.