This link to an OfficeLibre Calc file has comprehensive color data for every ingredient sorted in subcategories - the efficiency is also sorted as a easy bonus add-on:
{链接已删除}https://www.dropbox.com/scl/fi/lkz1fzj1c65qbhlcbyzx2/Brewmaster-Ingredient-Efficincey-and-Color-sorting.ods?dl=0&rlkey=5lz4hfw5j4qcxgxmt5kiclg22

Where did you get the news of their abandonment? Slow to update - yes ... but here on Steam discussion you see at least some "lip service" - Auroch Matty [developer] Jun 7 @ 6:39am

Not gonna lie to you I abandoned this guide when the devs abandoned the game

Using the "All Ingredients Data　原材料のデータ By kagikki database"
I noticed an unusual ingredient that is never used in any recipes provided with this simulation:

“Brewer’s Caramel” (AKA “Burnt Caramel”). It is interesting because it has zero impact on any of the flavor parameters in the game's database. It has an impact of 15,000 SRM! Clearly this is not the typical “Burnt Caramel” used by IRL Brewers for both flavor and color. Most likely this is actually (IRL) Sinamar®: The All-Natural Liquid Malt Coloring made by Weyermann® see: https://www.youtube.com/watch?v=YHgQBGnYBpM&t=112s for details on this IRL additive.