Illuminating the Dark: A Guide to the Night Vision Resource Pack for Minecraft 1.12.2
: A widely used pack specifically built to support older versions. Direct Download : NightVision_1.7-1.12.zip on CurseForge night vision resource pack 1.12.2
If you don't want to use a resource pack, you can achieve the same effect via: Xray Ultimate 1.12 compatible - Resource Packs Illuminating the Dark: A Guide to the Night
: Dark areas are rendered at maximum light levels, making caves and nighttime environments fully visible. night vision resource pack 1.12.2