This mod provides users with a NEI-like light overlay.

This mod requires Rift, Forge or Fabric. (Fabric API, Cloth Config (Fabric) and Architectury are required for Fabric, Cloth Config (Forge) and Architectury are required for Forge)

Light Overlay is a client ONLY mod, putting this on a server will do nothing.

Press F7 to toggle the light overlay, configurable through Controls Settings.

A yellow cross means that mobs can spawn at night, a red cross means that mobs can spawn anytime.

A blue cross means that mobs can spawn if there is a spawner (1.18 only)


  • Rift 1.13.2: Config Screen Not Available
  • Forge 1.13.x: Config Screen Not Available
  • Forge 1.14+: Mod List > Config
  • Fabric 1.14+: Mod MenuConfig

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Known Issue:

This mod does not work well with OptiFine shaders: https://github.com/shedaniel/LightOverlay-Fabric/issues/5, however you can use the number display mode which will work with shaders.

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