For your Beehives, Culayered makes custom LED for beehives and @Bob: IM S6 has them, maybe he could comment.
I have their teardrop versions, it is an Array of LED's and the circuit is made to run differently daytime and nightime for increased visibility. As far as I know those are the best available lighting but of course does they do not fit the kiss Guapo method, find it at any autoparts store.