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Shaders
HalcyonShaders

HalcyonShaders

SHADER
Warmer sunsets, calmer water, and softer clouds.
by eptune
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237 downloads
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Updated Oct 14, 2026
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Fantasy Vanilla
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Halcyon Shaders

Halcyon Shaders is a Minecraft shaderpack built on top of Glimmer's codebase, adjusted to push warmer sunset lighting and a calmer water style. It keeps Glimmer's lightweight, performance-friendly approach while changing the overall mood of the world toward something softer and more golden.

Features

  • Sunset and sunrise colors: adjusted color grading during dawn and dusk to give richer amber and orange tones instead of the default palette
  • Flat water toggle: an option to switch between the standard water look and a flatter, calmer surface style, useful for screenshots or a more stylized aesthetic
  • Reworked clouds: new cloud rendering for a softer sky that fits the updated lighting
  • Wet farmland: tilled soil and farmland blocks now show a damp, reflective surface, similar to how they'd look after rain or near water Same shadow and reflection quality as Glimmer, with no added performance cost

License and Credits

Halcyon Shaders is a modification of Glimmer, originally created by jbritain and released under the MIT License. All credit for the base shader code and structure goes to jbritain and the Glimmer contributors. Halcyon Shaders is distributed under the same MIT License, and any further redistribution should keep this attribution intact.

Overview

HalcyonShaders
MC 1.21.2-Snapshot, 1.21, 1.21.6-snapshot, 1.20.2-Snapshot, 1.20.5-Snapshot, 1.21.1-Snapshot, 1.20.2, 1.21.8, 1.20.5, 1.21.5, 1.21.4, 1.21.5-Snapshot, 1.20.1, 1.20, OptiFine, 1.20.6
Release 2026-07-30 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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