In PvP modes like Bedwars or Skywars, visibility is everything. If an enemy is hiding in a shadow on a bridge or in a base corner, they could get the first hit on you. With Fullbright, there are no shadows. You can spot a sneaking player instantly, giving you a massive advantage in combat.
The Fullbright pack replaces the default gradient lightmap (ranging from black to bright warm tones) with a completely white, fully opaque texture. When Minecraft reads this white lightmap: fullbright resource pack 1.8.9
A fullbright resource pack forces the game to ignore light levels – caves, night time, the Nether all appear as bright as daytime.
On 1.8.9 this is done by editing minecraft.jar or using an override pack with a custom options.txt gamma setting (resource packs alone cannot change gamma beyond the slider). In PvP modes like Bedwars or Skywars, visibility
Important: Pure resource packs on 1.8.9 cannot make everything fullbright. You need to combine it with a gamma override or use a mod (e.g., Fullbright mod, OldAnimationsMod, Orange’s 1.8.9 Mods, Labymod). If you did everything correctly, even the darkest
But if you still want the look of fullbright without mods:
If you did everything correctly, even the darkest caves will now look like a sunny day.