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LUX Shader

LUX Shader

SHADER
is a lightweight, performance-friendly, and visually stunning Iris/OptiFine shaderpack designed for Minecraft.
by Haider_x
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Updated Oct 14, 2026
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Fantasy Realistic Vanilla
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LUX Shader is a lightweight, performance-friendly, and visually stunning Iris/OptiFine shaderpack designed for Minecraft. Built on a clean and optimized foundation, LUX elevates the vanilla aesthetic with vibrant colors, premium atmospheric effects, and fully redesigned dimensions.

Designed to keep gameplay visibility high while delivering a "wow" factor, LUX Shader runs exceptionally well on low-end and modern computers alike.

Credits & Attribution: LUX Shader is a modified, custom fork of the original Mellow Shader created by TheCMK (released under the MIT License). All credits for the brilliant base code go to them!

LUX Shader.zip
MC 1.21, 1.18.1, 1.19.3, 1.20.2, 1.19.4, 1.21.8, 1.20.5, 1.21.5, 1.18, 1.21.4, 1.20.1, 1.20, OptiFine, 1.20.6, 1.21.1, 1.21.6, 1.21.3, 1.21.7, 1.19.1, 1.20.4, 1.18.2, 1.19.2
Release 2026-06-06 Get

Requirements & install

How to use this shader in Minecraft
Shader loader
OptiFine
Minecraft
1.21 – 1.21.8
Install folder
.minecraft/shaderpacks

Install with OptiFine

  1. Install OptiFine for your Minecraft version (optifine.net) and start it once.
  2. Download the shader pack .zip (do not extract it).
  3. Put the .zip into .minecraft/shaderpacks.
  4. In game open Options → Video Settings → Shaders and select the pack.
Browse more: Iris shaders OptiFine shaders Shaders for 1.21.8 All shaders

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