Flez's Fullbright Resource Pack (1.21.11, 1.21.1) – Permanent Daylight

Flez’s Fullbright Resource Pack removes the dark so you can see clearly in caves and at night. It makes everything bright without needing torches or potions. You can mine deep underground and still see exactly where you are going. This pack is perfect if you want to save coal and stop worrying about dark spots in your world.

Features:

• Always Bright: Removes all shadows from caves and nighttime areas.
• Saves you time because you do not have to place torches everywhere you walk.
• Helps you spot ores quickly when mining deep underground.
• Keeps the normal look of blocks but turns up the lighting.
• Lets you build big rooms without worrying about dark corners.

Screenshots:

Flez’s Fullbright Resource Pack Download Links