It is best to harden seedlings out slowly so they get used to the sun before you transplant them out to the garden. The white leaf looks like a bit of sunburn. It is best to transplant on a cloudy day after the plants have been gradually accustomed to the new space. Once fully hardened off, I like to keep my plant in the pot for a week or two in the spot I want to plant them in to really get used to things. If they don't like it, I still have an opportunity to make some adjustments and find a better place for them.
The spots on the other plant was a bit out of focus but may be the start of a fungal problem. I would remove and destroy the leaf and use some anti fungal treatment. Depending on where you live and how hot it is, you may be limited. Read the labels on the fungicide well, some of them can burn plants if it is over 80 degrees. You could try milk spray.
Happy gardening in Hawaii. Gardens are where people grow.