How do I make a Team door for my infection game?

I wanna make a team only door like so if someone walks up to the door it makes the other team cant go at the same time has him also can you fix the script

local AlloweedColor = "Really Blue"
local DeniedColor = "Lime green"
script.Parent.Touched:Connect(function(hit)
    local player = game.Players:GetPlayerFromCharacter(hit.Parent)
    if player.TeamColor == AlloweedColor then
        script.Parent.Transparency = 1
        script.Parent.CanCollide = false
    elseif player.TeamColor == DeniedColor then
        hit.Parent.Humanoid.Health = 0
    end
end)