How do I randomize teams in Roblox?

Yeah, I've never been good with randomizing, but this is what I've got but it doesn't work?

local function SplitPlayers()
local players = {}
for _, player in pairs(game.Players:GetPlayers()) do
if player.TeamColor == BrickColor.new("Medium stone grey") then
table.insert(players, player)
end
end

local redTable = {}
local blueTable = {}
local redPlayers = math.floor(1/2 + #players * 4/6)
local bluePlayers = #players - redPlayers

for i = 1, redPlayers do
local player = table.remove(players, math.random(#players))
table.insert(redTable, player)
player.TeamColor = BrickColor.new("Really red") 
end

for i = 1, bluePlayers do
local player = table.remove(players, math.random(#players))
table.insert(blueTable, player)
player.TeamColor = BrickColor.new("Bright blue")
end
end

local teams = {"Bright blue","Bright red"}

local number = 1
	
    for _, player in pairs(game.Players:GetChildren()) do
		    	player.TeamColor = BrickColor.new(teams[number])
		    	number = number + 1
	    		if number > #teams then
	 		number = 1
		   end
    end

Change what's inside the teams table to the team color you want, just make sure they are BrickColor's.

wait(10) -- Change 10 to the amount of time you want this to happen
for i, v in pairs(game.Teams["White Team"]:GetPlayers())do
v.Character.Head:Destroy()
end

Change White Team to the team were you will get all the players. Might not be a team randomizer but it works.

I have the perfect idea! I write script only in ServerScriptService:

local teams = {'Really red', 'Really blue'}
local team = {{''},{''}} -- Red and Blue team

game.Players.PlayerAdded:Connect(function(plr) -- Add player in random team
	local plrs = game.Players:GetChildren()
	if #team[1] == #team[2] then
		local choosed = math.random(1,2)
		table.insert(team, choosed, plr)
		plr.TeamColor = BrickColor.new(teams[choosed])
	elseif #team[1] < #team[2] then
		table.insert(team, 1, plr)
		plr.TeamColor = BrickColor.new(teams[1])
	elseif #team[1] > #team[2] then
		table.insert(team, 2, plr)
		plr.TeamColor = BrickColor.new(teams[2])
	end
end)

game.Players.PlayerRemoving:Connect(function(plr) -- Remove player team
	if plr.TeamColor == 'Really red' then
		for i = 2, #team[1] do
			if team[1][i] == plr.Name then
				table.remove(team, 1, i)
				break
			end
		end
	else
		for i = 2, #team[2] do
			if team[2][i] == plr.Name then
				table.remove(team, 2, i)
				break
			end
		end
	end
end)