Hello!
Considering both Terrarian-Slimes and Slimeology add coloured slimes it makes sense to migrate some items and recipes to use something like common tags for coloured slime. This would let you use both variants in recipes, and it helps a lot when making modpacks.
Link to repo: https://github.com/LapisLiozuli/Slimeology
I will open an issue on both repos, please consider adding this!