Unable To Alter GUI Elements In A Plugin

Help and Feedback Scripting Support
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#1

I’m making a plugin but I’m not able to do the following.

newButton.MouseEnter:Connect(function()
	print('entered')
	TS:Create(newButton, TweenInfo.new(0.33), {BackgroundColor3 = Color3.fromRGB(207, 207, 207)}):Play()
end)

entered prints, but the color does not change. I’ve even gone as far as to creating the button completely with the script and just parenting it to the existing UI structure, but it’s still not able to be changed.

And yes, the color is not already 207,207,207 and newButton & TS both exist.