rainglow
by rosebud
Rainglow recolors glowing mobs such as squids, allays and slimes, so the glow cycles through a set of colours instead of staying one shade.
What it does
Rainglow gives the glow effect of squids, allays and slimes a rainbow palette. Players can pick from more than 15 colours, choose preset modes such as rainbow, monochrome or pride, or build a custom mode in the mod's GUI. The share of coloured variants among each mob can be set as a percentage in the config, and any of the three entities can be switched off there.
The mod is lightweight and can be removed at any time. After uninstalling, glowing squids return to their default blue glow, and the change is stored in the save file, so a world keeps its colours only while the mod is present. Players need the mod to see the colours, while a server may run it for the same entity settings. Rainglow is open source under the MIT License and depends on Fabric API. Mod Menu is optional and adds a config screen.
Key features
Rainbow glow for mobs
Squids, allays and slimes glow in rainbow colours instead of their default single shade.
Colour and mode choice
More than 15 colours are available, with presets such as rainbow, monochrome and pride, plus a GUI for custom modes.
Configurable rarity
The percentage of coloured variants per mob is set in the config, and each entity can be toggled off separately.
Clean removal
Uninstalling returns glowing squids to their blue glow, with no lasting change left in the save file.
Compatibility
Latest build for each game version and loader.
1.21.x3 of 3 versions with builds
1.20.x6 of 6 versions with builds
1.19.x5 of 5 versions with builds
1.18.x1 of 1 version with builds
1.17.x1 of 1 version with builds
Only full game releases are shown. This mod publishes no snapshot builds.
Requirements
Dependencies declared by the latest file for each loader.
Required 1
Optional 1
Use cases
Who it’s for: Players who want more colour in squid, allay and slime glow, and server owners who want to control how often coloured variants appear. Players need the mod on their client, and the server may run it for the same settings.
How it compares
Rainbow Slime is a Fabric mod for 1.19.2 under the GNU Lesser General Public License v3.0 only, and it runs on client and server. Fixed Glow Squids is server-side only, published for 1.17 – 1.18.1 under All rights reserved and not open source, so players join without installing it. Rainglow is client required with the server optional, covers 1.17.1 – 1.21.4, and is open source under the MIT License.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| rainglow | Fabric and Quilt | 1.17.1 – 1.21.4 | Client required, server optional | 2025-03-26 |
| Rainbow Slime | Fabric | 1.19.2 | Client and server | 2022-11-20 |
| Fixed Glow Squids | Fabric | 1.17 – 1.18.1 | Server-side only | 2022-01-30 |
Questions
Does Rainglow need Fabric API?
Can the coloured variants be made rarer?
What happens to squids after the mod is removed?
In the catalog
rainglow is one of 11,058 Mobs mods on ModsFinder, and one of 5,189 Mobs mods for Fabric. 17,979 mods support Minecraft 1.21.4.
More from rosebud
Similar mods
Official listing
- Modrinth page
- modrinth.com/mod/rainglow
- Owner
- rosebud
- Published
- 2022-09-28
- Updated on Modrinth
- 2025-03-26
- Facts verified
- 2026-10-15