"Make a system of keyed doors of your certain color, just like piggy doors. Type when the player presses the proximity prompt of the door, it will check if the player has a key of a certain color, equipped. If yes the door will open with tweenservice rotating from the primary part of it."

-- script for the door 
local proximityPrompt = script.Parent:FindFirstChild("ProximityPrompt")
local tweenService = game:GetService("TweenService")
local door = script.Parent.Door -- assuming the door part is named "Door"
local doorColor = door.BrickColor.Name -- get the color of the door
local openTween = tweenService:Create(door, TweenInfo.new(1), {Rotation = Vector3.new(0, 90, 0)}) -- change the rotation values as needed

function onProximityPromptTriggered(player)
	local character = player.Character
	if character then
		local humanoid = character:FindFirstChild("Humanoid")
		if humanoid then
			local tool = humanoid:FindFirstChildOfClass("Tool")
			if tool and tool.BrickColor.Name == doorColor then -- check if the tool color matches the door color
				openTween:Play()
			end
		end
	end
end

proximityPrompt.Triggered:Connect(onProximityPromptTriggered)

-- script for the key tool 
local tool = Instance.new("Tool")
tool.Name = "Key"
tool.RequiresHandle = false
tool.CanBeDropped = true
tool.BrickColor = BrickColor.new("Bright yellow") -- change the color as needed

local handle = Instance.new("Part", tool)
handle.Name = "Handle"
handle.BrickColor = tool.BrickColor
handle.Size = Vector3.new(1, 1, 1)

tool.Parent = game.StarterPack