Update: Slime Festival Drop Rates Datamined. Very Hard has the highest drop rate for everything. (Not even JP has this kind of data! We will soon have drop rate data for every
Amazon.com: Maddie Rae's Slime Pearl Pigment Powder - 12 Mica Powder Colors - XL (6 Grams each Package), Great for Slime, Soap Making, Candle Making, Bath Bomb Dye Colorant
Slime – Minecraft Wiki
Do tinkers slimes drop slime pearls from Reliquery? : r/feedthebeast