Quote Originally Posted by Hexavalent View Post
Phillips (Luxeon) etc., do bin their products according to luminous flux and colour output to very fine tolerances. However, I doubt the off-the-shelf consumer, and particularly the ebay shopper can easily purchase binned items.
If I had to bet, I would bet that if a manufacturer like Ilford made LED safelights, they would source LEDs that were manufactured to the required tolerances. That is what one pays for if one buys good quality darkroom specific equipment.