All GUIs are dark not just the ones shown in the images
Survival mode inventory
Creative mode inventory
Settings screens
Loading screen
Hotbar
Beacon
Screenshots taken in 1.16 but it should work in 1.17 when optifine fixes Custom GUIs
Enchanting Table
Chest / Barrel / Ender Chest
Book / Lectern
Anvil
Loom
Advancements
