CurseForge · Minecraft mod
ColorBlindness
Potion effects that simulate color blindness (Forge, NeoForge, Fabric, Quilt)
Quick answer
Which ColorBlindness release should I use?
ColorBlindness forge-26.2-5.1.0.0 targets 26.2 with Forge. The project page does not say whether it belongs on the client. The project page does not say whether it belongs on the dedicated server. No extra mods listed for this file.
Where it goes
Is ColorBlindness required on the client, server, or both?
The project page does not say whether it belongs on the client. The project page does not say whether it belongs on the dedicated server.
The source does not explicitly classify this release as client-only or server-only.
What else does ColorBlindness forge-26.2-5.1.0.0 need?
forge-26.2-5.1.0.0. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add ColorBlindness without breaking your instance.
Built for ColorBlindness forge-26.2-5.1.0.0. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use forge-26.2-5.1.0.0. It targets 26.2 with Forge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
The project page does not say whether it belongs on the client. The project page does not say whether it belongs on the dedicated server.
- 04
Pick the file you checked
Use the “Get this file” button beside forge-26.2-5.1.0.0. It opens that exact file at the source.
About this project
What does ColorBlindness add?
ColorBlindness is a Minecraft mod (Forge, NeoForge, Fabric, Quilt). The purpose is to provide color blindness potion effects for other mods to add their own potions or items with color blindness effects.
This mod is compatible with Optifine & shaders!
This mod does not add brewable potions!
The Fabric / Quilt version needs the following mods:
- Fabric API (Github, Curseforge, Modrinth)
Effects
- Achromatomaly: Color weakness
- Achromatopsia: Color blindness
- Deuteranomaly: Green weakness
- Deuteranopia: Green blindness
- Protanomaly: Red weakness
- Protanopia: Red blindness
- Tritanomaly: Blue weakness
- Tritanopia: Blue blindness
In-game usage
Type the following line to give you the Achromatopsia effect for 10 seconds.
/effect give YourName colorblindness:achromatopsia 10
Sponsors

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FAQ
**Can I use this mod in my mod pack?**Yes, you are allowed to use this mod in your mod packs
**Port to another Minecraft version? Which versions are supported?**Sorry, but I do not backport any mod to an older version. Here is a list of all supported and planned versions: Minecraft mod versions of cech12
**Is there a Fabric version?**Since 1.20.4 the mod is available for Fabric & Quilt. There is no plan to backport Fabric support to earlier Minecraft versions.
**I found a bug or I have a good idea to enhance this mod!**Very good! Open an issue at Github. You have no Github-Account? You can also contact me here in the comments or via private message.
Project description from CurseForge.
Pick your setup
ColorBlindness by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.1.2
4 loader builds26.1.1
4 loader builds26.1
4 loader builds1.21.11
4 loader builds1.21.10
4 loader builds1.21.9
4 loader builds1.21.8
4 loader builds1.21.7
4 loader builds1.21.6
4 loader builds1.21.5
4 loader builds1.21.4
4 loader buildsShowing the newest 12 of 19 game versions. Older files are in the list below.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
ColorBlindness versions and loaders
forge-26.2-5.1.0.0
colorblindness-forge-26.2-5.1.0.0.jar
19 Jun 2026
neoforge-26.2-5.1.0.0
colorblindness-neoforge-26.2-5.1.0.0.jar
19 Jun 2026
fabric-26.2-5.1.0.0
colorblindness-fabric-26.2-5.1.0.0.jar
19 Jun 2026
forge-26.1-5.0.0.2
colorblindness-forge-26.1-5.0.0.2.jar
23 May 2026
fabric-26.1-5.0.0.2
colorblindness-fabric-26.1-5.0.0.2.jar
23 May 2026
neoforge-26.1-5.0.0.2
colorblindness-neoforge-26.1-5.0.0.2.jar
23 May 2026
forge-1.21.3-4.1.0.4
colorblindness-forge-1.21.3-4.1.0.4.jar
14 Apr 2026
fabric-1.21.3-4.1.0.4
colorblindness-fabric-1.21.3-4.1.0.4.jar
14 Apr 2026
neoforge-1.21.3-4.1.0.4
colorblindness-neoforge-1.21.3-4.1.0.4.jar
14 Apr 2026
fabric-1.21.5-4.2.0.3
colorblindness-fabric-1.21.5-4.2.0.3.jar
14 Apr 2026
forge-1.21.5-4.2.0.3
colorblindness-forge-1.21.5-4.2.0.3.jar
14 Apr 2026
neoforge-1.21.5-4.2.0.3
colorblindness-neoforge-1.21.5-4.2.0.3.jar
14 Apr 2026
Looking for an older file? The official CurseForge project page is in Resources.