I have used the snap-on plastic bands too, and they can come undone out there. The wide spiral numbered bands also come off!
Wing bands are the most reliable, except that they can't be seen without holding the bird.
I do 'flock mating' rather than keeping track of individual matings, so colored...
I haven't yet used wing bands, because they aren't visible from afar. Colored leg bands do have issues, but they work for my flock.
Zip ties need to be changed as the birds grow, because they have no 'give' and will destroy a leg if left on too long. They can be purchased with numbers on...