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Neon Skylines Shader

A vanilla-like Iris shader that draws color-coded edge outlines around terrain, mobs, players and pickups, inspired by the VISR night vision in HALO ODST. Includes ODST and NEON presets.

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Dusk city street of dark blocky towers with glowing yellow edge outlines under Neon Skylines Shader.

Screenshot 1 of 3. Dusk city street of dark blocky towers with glowing yellow edge outlines under Neon Skylines Shader.

What Neon Skylines Shader works with.

PlatformJava Edition
LoadersIris
Minecraft versions1.20, 1.20.6, 1.21.11, 26.1.2

Neon Skylines Shader is an edge-detection shader pack for Java that outlines terrain and entities with customizable colors, taking its cue from the VISR night vision in HALO ODST. It runs on Iris, keeps a vanilla-like foundation, and installs on the player's side only. Its performance impact is low.

Shader loaders and versions

  • Iris: Minecraft 1.20 to 26.1.2.

What the outlines do

Edges are drawn over a scene close to the vanilla look. Outline colors are set per category, so terrain, enemies, friendlies, players, pickups and miscellaneous entities are easy to tell apart at a glance. Low brightness settings suit it, because the outlines then carry the scene.

Settings and presets

  • Outline lighting can be set to draw edges in the dark, in the light, or both.
  • Detection runs on color difference, depth and normals, with adjustable sensitivity.
  • Every category color is fully customizable.
  • Two presets, ODST and NEON, give a starting point to build on.

The pack lists support for Distant Horizons. In the creator's own test with Iris and Sodium, all features on raised a laptop's 4070 GPU usage from 43% to 56%, at 140 FPS with v-sync and a 12 chunk render distance in single player. That is one machine and one test, so read it as a rough guide.

Installation

  1. 1.Install Iris. The pack needs no other dependency.
  2. 2.Place the shader pack's .zip in the shaderpacks folder.
  3. 3.Open Video Settings, then Shader Packs, and select Neon Skylines.

New to shader loaders? The shader install guide covers the steps in full.

Questions about Neon Skylines Shader.

4 questions

How do I install Neon Skylines Shader?

Install Iris, put the shader pack's .zip into the shaderpacks folder, then open Video Settings, choose Shader Packs and select Neon Skylines. Nothing else is required. It is a local install for the player and needs nothing added elsewhere.

Does Neon Skylines Shader work with Distant Horizons?

Yes. The pack lists Distant Horizons support. Its to-do list also mentions planned sensitivity multipliers for Distant Horizons, which are not yet added.

Is Neon Skylines Shader good for low-end PCs?

It is categorized as a low-impact shader. In the creator's test with Iris and Sodium, all features on raised GPU usage on a laptop 4070 from 43% to 56%. That is a single machine, so weaker hardware may behave differently.

Does Neon Skylines Shader work with OptiFine?

The pack's listed builds target Iris only, and nothing confirms OptiFine support. Use Iris to run it. Bedrock cannot run it, since Iris is a Java mod.

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