There are hundreds of options, but most are poorly made or outdated. Here are the three best, stable packs for 1.12.2.
If you want actual Night Vision without a resource pack, consider these methods:
Tested working side-by-side with:
The only mods that may conflict are those that replace the lightmap themselves, like advanced shader mods. In that case, simply place the night vision pack above the shader pack in the resource pack menu.
Search for "FullBright Resource Pack 1.12.2" or "Night Vision Lightmap 1.12.2" on trusted sites like PlanetMinecraft, CurseForge, or GitHub. Ensure the pack is specifically made for or confirmed to work with Java Edition 1.12.2.
Installing a night vision resource pack in 1.12.2 is identical to installing any other resource pack. Follow these steps carefully:
Step 1: Download the Pack
Ensure the pack is specifically designed for 1.12.2. Packs for 1.14+ may have different file structures and will not work. The file will be a .zip file. Do not unzip it.
Step 2: Locate the Resource Pack Folder
Step 3: Install the Pack
Step 4: Activate the Pack
Step 5: Test