Light Levels 1.17.1 Apr 2026

: Glow Lichen (introduced in 1.17), which is often not bright enough on its own to stop mob spawns. 4. Technical Tools

: Light level decreases by 1 for every block of distance from the source along the X, Y, or Z axes. Diagonally, it decreases by 2. 2. Mob Spawning Rules (1.17.1) Light Levels 1.17.1

: Glowstone, Sea Lanterns, Lanterns, Jack o'Lanterns, Beacons, and Conduits. Level 14 : Torches and End Rods. Level 10 : Soul Fire Torches and Soul Lanterns. : Glow Lichen (introduced in 1

Below is a breakdown of how light levels function in version 1.17.1. 1. The Core Mechanics Light in Minecraft is measured on a scale from . Diagonally, it decreases by 2

: To prevent mobs from spawning, you must keep all walkable surfaces at a light level of 8 or higher .

: Maximum brightness (direct sunlight or standing on a Glowstone block). Level 0 : Absolute darkness.