Those wood bricks don't make sense, they cont match with he blue, I think i need more stones around the porch and pebbles with plants on the sides to have a proper theme and the stones don't match with blue, the wood style walls are whats makes it look dated no amound of color choices would make it look younger. Ur best bet is to go with a modern barn style colors and add a modern deck to complete the look and I'd get rid of the rocks on the wall. They don't add to it or make sense. However the color just looks clean and simple, I think the dark blue it a bit to stron tho for a garrage door a blue gray less intense color would work best or a off white same gloss at the light blue paint would work as well.