Love the brown coat . Carrying one color throughout an outfit can be too matchy-matchy. But mixing patterns (patterned pocket square on windowpane jacket on striped shirt) prevents this. And the yellow lapel pin adds such a cool pop.
Rocking a monochromatic theme with a double pocket squares. A solid blue tie and a tweed blazer on a checkered shirt is a safe combination. So let's live a little dangerously with DOUBLE pocket squares!