Hello Guys,
I am glad to announce our second flat theme for xenforo2 that we called it XDerium. It comes with 5 colors, CinnabarRed, Mariner, Pigment Green, Apple Green and Governorbay
Please go to our xenforo2 demo forum to see them in action.
Here is the shop page.
https://www.sultantheme.com/product/xderium-xf2/