if you type or search 'potion' in your creative menu, you will find all the potions, but most of them have a dark blue texture. the effects still work but it is hard to recognize them.
MC-84680
standard potion texture
Resolved
Duplicate
0
Thank you for your report.
However, your ticket has been resolved as a duplicate.
This issue has been linked to the original bugreport: MC-84253. You can find or add further information on that report.
Please search before reporting any bugs, as it's likely that one exists already.