A simple mod that allows you to turn on the display of the light level (F7 key): yellow indicates that mobs can spawn at night, and red means that at any time.

How to Install Minecraft Light Overlay Mod ?
- Download and Install Fabric Mod Loader and Fabric API
- Download and Install MC Forge
- Download Minecraft Light Overlay Mod
- Without unpacking, copy to .minecraft\mods
- Launch the game and play!
Download Light Overlay Mod for Minecraft
for MineCraft ⇒ 1.16.1 + 1.15.2 + 1.14.4 + 1.13.2
Credit: shedaniel | Source: CurseForge
the best
where is the 1.12.2 download button?