Need feedback on my color wheel ui thingy

Howdy,

I have a color system I’m working on, just need some feedback on the ui, layout, etc.

Feel free to give me ideas for what I can add, like the RGB feature for example, shown in the video below.

Video:

Heres the game link so you guys can diver further into your criticisms:
Game - untitled parkour engine [UPE] - Roblox

Theres no tutorial besides the controls in game and in the description.