How to customize text in Lua

Text = "Hello World";
Color = Color3.new(211, 243, 0);
Font = Enum.Font.SourceSansBold;
FontSize = Enum.FontSize.Size30;
--for more roblox/lua scripting, check out some of these scripts:
--https://pastebin.com/UznbgQ4M
--https://pastebin.com/fbd0yW5b
--https://pastebin.com/mM54EbLq
--https://pastebin.com/u4K3ERgk