NO LONGER NEEDED IN 26.1+
Use Boosted Brightness if you want it to be brighter and full bright

In Minecraft 1.21.9 Mojang changed how night vision works for the worse. They made it so that it always uses moody lighting for night vision calcuations. This resourcepack uses core shaders to revert this change. Fixes MC-301543

This pack may not work with other shaders that modify the same shader I used such as fullbright

Images

Before

After