The Chroma World Border Mod (1.21.5, 1.21.1) brings a stylish visual enhancement to Minecraft by replacing the plain white world border with a vibrant, rainbow-colored animation. Perfect for players who enjoy customizing the game’s appearance, this lightweight client-side mod adds dynamic RGB effects to the border without affecting gameplay mechanics or server behavior. Whether you’re playing in survival or creative mode, this mod provides a fun way to liven up the edges of your world.

Features:
- RGB World Border: Replaces the default white border with an animated rainbow-colored gradient that continuously cycles through the full RGB spectrum.
- Purely cosmetic: The mod doesn’t alter how world borders function only how they appear visually.
- Client-side only: Can be installed without affecting multiplayer servers; other players won’t see the RGB effect unless they also have the mod.
- Lightweight and performance-friendly: Designed to have minimal impact on FPS, even in large or modded worlds.
- Compatible with Fabric mod loader, supporting Minecraft 1.21.5, 1.21.1.
Screenshots:









Crafting Recipes:
We recommend installing Just Enough Items (for Forge-based mods) or Roughly Enough Items (for mods using the Fabric modloader) to view all available recipes in this mod.
Requires:
How to install:
How To Download & Install Mods with Minecraft Forge
How To Download & Install Fabric Mods
How To Download & Install The Quilt Loader
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Why use Chroma World Border Mod?
If you’re the kind of player who likes to personalize Minecraft with subtle visual enhancements, this mod is an easy and stylish way to stand out. It turns an otherwise dull system border into something eye-catching especially useful for content creators, mapmakers, or anyone playing in limited worlds. Since it’s client-side only, there’s no risk of conflicts or server instability, making it safe to use in any environment.
FAQs
Does this mod change how the world border behaves?
No. The border still functions exactly like in vanilla Minecraft—it only changes its visual appearance.
Can I use this mod on multiplayer servers?
Yes. Since it’s a client-side mod, it doesn’t affect server functionality or require installation on the server.
Will other players see the RGB effect?
Only if they also have the Chroma World Border Mod installed. Otherwise, they’ll see the default white border.
Is it configurable?
Currently, the mod provides a preset animated RGB effect without a config menu, but future versions may expand customization options.
Does it affect game performance?
No, the mod is designed to be lightweight and has minimal impact on performance, even in heavily modded setups.
Download links
- Fabric Version:download Download file
- Fabric Version:download Download file
- Fabric Version:download Download file
- Fabric Version:download Download file
- Fabric Version:download Download file
- Fabric Version:download Download file