mod
RainbowsMinecraft mod for 1.21.3
Adding rainbows to the world of Minecraft!
- Latest version
- 1.5
- Minecraft
- 1.20.1 to 1.21.3
- Java
- Java 21+
- Loaders
- NeoForge, Forge
- Licence
- BSD-2-Clause
- Downloads
- 238.6k
- Updated
- 19 mo ago
- Available on
- Modrinth
Screenshots
Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.
Minecraft versions
Every version Rainbows declares support for, newest first, with the Java runtime that version needs.
Download
From Rainbows’s own host. Nothing is re-hosted here.
For Minecraft 1.21.3
Choose the loader you use before downloading.
- Get NeoForge
NeoForge
1.4 · 19 Mar 2025 · Rainbows-1.21.3-1.4.jar
Most recently published release
Rainbows-1.20.1-1.5.jar · 2.2 MB · for 1.20.1 · Forge, NeoForge
138ccaced096…Older versions7Hide older versions
- 1.419 Mar 20251.21.32.2 MB3.8k downloads
924db6421ac2…Get - 1.3.131 Dec 20241.21.32.2 MB78.6k downloads
ee0983d55eb8…Get - 1.317 Nov 20241.21.32.2 MB615 downloads
1cdc61d5d843…Get - 1.2.213 Nov 20241.21.1, 1.212.2 MB974 downloads
58a94e07ac22…Get - 1.227 Oct 20241.21.3, 1.21.2, 1.21.1, 1.212.2 MB284 downloads
ad6303eb08ad…Get - 1.124 Oct 20241.21.1, 1.212.2 MB226 downloads
1d43620a9c38…Get - 1.015 Oct 20241.21.1, 1.212.2 MB272 downloads
140da1b3ae91…Get
Frequently asked
Does Rainbows work on Minecraft 1.21.3?
Yes. 1.21.3 is the newest Minecraft version Rainbows declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.
Which Minecraft versions does Rainbows support?
Everything the author has declared, from 1.20.1 up to 1.21.3. The full list is in the table above, with the Java runtime each version needs next to it.
Do I need to install Rainbows on the client or the server?
The client only. There is nothing to install on the server side. That is the author's declared design, not a guarantee for every server: one running anti-cheat or missing a counterpart mod can still object.
Which platform or loader does Rainbows support?
NeoForge, Forge. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.
Which Java version do I need for Rainbows?
Among the supported Minecraft releases above, the highest recorded requirement is Java 21 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.
What licence is Rainbows under?
BSD-2-Clause, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.
How do I install Rainbows?
Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.
Where do I download Rainbows safely?
Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.
Works on the same versions
Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.
Is this information wrong or missing something? .