UI Menu:

Has 10 Channels per Player, which allows Syncing multiple Lights Together!

Has a Private Toggle, which Prevents other Players from Editing.

While Holding or Looking at a placed RGB Item, you can press the Use Key (F) to open the UI Menu!

Has a Color Picker!

Has 3 Effects

Custom RGB Workbench:

Craftable with the normal Workbench

Has 4 Categories:

Include RGB Variants of ALL Vanilla Light Sources

Only 2 Custom Blocks so far,

Many More planned!

Throwable Glowsticks

Bows Attach a Light to Crude Arrows they Fire!

In order of Left to Right

Helmet - Emits Light when Worn

Pylon - Scans for RGB Blocks in a 128 Radius

Scanned Blocks Emit a Vertical Beam matching its Light Color

Core - Used to Craft ALL RGB Items!

Remote - Used to Edit RGB Channel Settings

Soul - A Floating Fireball Pet that follows you and Emits Light

An Invisible RGB Block, ONLY obtainable in Creative Mode!

The Icon looks like that so it's not Invisible in the Inventory

More Custom RGB Blocks
Possibly allow Dropped Items to emit Light
Possibly Nerf Offhand Capabilities...
Possibly new Types of RGB Items
Possibly change Glowsticks to Drop instead of Despawn (let me know what you think)

If you encounter any bugs, leave a Comment detailing the cause, and I'll try to Reproduce it and Fix it.

If you have a good idea for other RGB Blocks, Projectiles, or whatever, then let me know in a Comment.