Dutch doors are divided in half horizontally, allowing the top half to swing open while the bottom half stays closed. Blind doors have no visible trim, handles or hinges. They're designed to completely blend in with the wall — a hidden door!
This shade of blue is intense, but adding in a cool gray takes off a bit of the edge. Add a dash of yellow for more drama. Clockwise from top left (all from Mythic Paint): Quiet Cameroon 136-3, Sunny Spot 083-5 and By the Sea 028-6.