the current one is pretty dated. imo ask this guy if you can use his icon:
and if you want to use the icon right now @doughdrew , just find the icon in the link to him, then go to you applications folder, right click anki → get info, then drag the icon you downloaded onto the anki icon in the top left of the get info screen
(the icon is reset everytime you upgrade anki so you have to do this process again when you upgrade)