Light levels are varying shades of brightness in the game ranging from 1-15. The lower the number, the darker the light. Monsters only spawn when the light level is seven and below. Different sources give off different light levels; the sun, Jack-o-Lanterns, and glowstone blocks are the brightest, and Redstone dust is the darkest when lit.

Light Levels


15: Sunlight, Fire, Jack-o-Lantern, Lava, Glowstone, Sea Lanterns

14: Torch

13: Furnace (Lit)

12: Sunlight (in the Rain)

11: Nether/End Portals

7: Redstone Torch (Lit)

4: Moonlight

1: Redstone Dust (Lit)