Rainbow is a release file of the Minecraft mod Rainbow Armour+ for Forge, made for Minecraft 1.14.4. It was published on April 16, 2020 and is 3.5 MB in size. For the full description, screenshots and every other version, visit the Rainbow Armour+ mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
