I decided to combine two colors to create the roof color. I believe I used a burnt sienna and the red for the color on the left; not sure what I used for the color on the right, but that was too pink.
The colors were scribbled on top of each other and then water was brushed on.
I colored in the chimney and then used the black pencil for the windows and lighthouse markings. I wet the tip of the black pencil and colored in the black areas, then went over the right side of the lighthouse with a damp brush and blotted to lift some of the black.
I sharpened the pencil for the smaller area at the top of the lighthouse, and used an ultra fine Sharpie marker for the small black lines.