However, a exploits a specific quirk in older versions of Minecraft, particularly 1.12.2 . It works by overriding the game’s internal lighting maps (specifically the lightmap.png file). By replacing the standard gradient lightmap with a completely white or transparent texture, you force the game to render every block at full brightness, regardless of light level.

But what if you hate fiddling with gamma sliders or installing heavy mods? Enter the .

A: Yes. Place the Fullbright pack at the top of your resource pack list. The lower packs will provide block textures while Fullbright controls lighting.