Please consider downloading this from Modrinth link :) (under approuval ATM)

A simple pack that will display an icon of the effect(s) of potions, splash potion, lingering potions and tipped arrow. It will also display the name of the item to best match the overall color of the icon.

Also added icon to bottle o'enchanting, pufferfish and golden apple.

If I forgot any item that give potion effect let me know and I'll add it.