Over the last five years I've tried various LED's. If your ceiling lights are round puck lights they probably have a two pin G4 base. The oval shaped under counter usually use 1156 tail light bulbs. The best deals are on Ebay from China for less than $2... often less than $1. Once you know which bulbs you have, buy several different types and see which you like the best.
I have found
G4 12led 5050 to be the best for my puck lights in warm white...3000K I've tried 5730, 3528 chips and they run much hotter than the 5050 and do not put out any more light.
Instead of buying 1156 bulbs, buy 36 or 48 5050 led panels. You can try a
........bright white... 6000K