Rainbow

--If it's used to a hack script
spawn(function()

	local function zigzag(X) return math.acos(math.cos(X*math.pi))/math.pi end

	local ZploitKing = 0
	wait()

	spawn(function()

		while wait() do
			Frame.BackgroundColor3 = Color3.fromHSV(zigzag(ZploitKing),1,1)

			ZploitKing = ZploitKing + 0.0036

		end
	end)

end)

--If it's used to a normal game
spawn(function()

	local function zigzag(X) return math.acos(math.cos(X*math.pi))/math.pi end

	local ZploitKing = 0
	wait()

	spawn(function()

		while wait() do
			script.Parent.Parent.StarterGui.ScreenGui.Frame.BackgroundColor3 = Color3.fromHSV(zigzag(ZploitKing),1,1)

			ZploitKing = ZploitKing + 0.0036

		end
	end)

end)