Rainbow Slime is Paldeck #10006, a Neutral Pal. The easiest way to breed Rainbow Slime is Green Slime + Rainbow Slime — one of 17 parent pairs that produce it.

Neutral HP 105ATK 95DEF 105 Transporting 1
Breeding one is half the job — see the best passives & builds for Rainbow Slime.
Plan a Rainbow Slime route from YOUR Pals →…plus 7 more pairs — the planner finds the fastest one from the Pals you own.
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Breeding power 3100 · gender ratio 50% ♂ / 50% ♀ · all combinations verified against the Palworld 1.0 game data (post-rebalance — many older calculators still show Early Access combos).
Chart the fastest Rainbow Slime route from your save →