"How can I make it so a player has a chat tag called "Moderator" or "Admin" or "Owner" with different colors?"

-- Server script 
local Players = game:GetService("Players")
local Chat = game:GetService("Chat")

local function onPlayerAdded(player)
    local userId = player.UserId
    local isAdmin = false
    local isMod = false
    local isOwner = false

-- Check if the player is an admin or mod or owner here
    -- This is just a placeholder, you should replace this with your own logic
    if userId == game.CreatorId then
        isOwner = true
    elseif userId == 123456 then -- replace 123456 with your admin's UserId
        isAdmin = true
    elseif userId == 654321 then -- replace 654321 with your moderator's UserId
        isMod = true
    end

if isAdmin then
        Chat:Chat(player.Character, "[Admin]", Color3.fromRGB(255, 0, 0)) -- Red color
    elseif isMod then
        Chat:Chat(player.Character, "[Moderator]", Color3.fromRGB(0, 255, 0)) -- Green color
    elseif isOwner then
        Chat:Chat(player.Character, "[Owner]", Color3.fromRGB(0, 0, 255)) -- Blue color
    end
end

Players.PlayerAdded:Connect(onPlayerAdded)