When I shoot color I am always looking for some kind of impact. Do the colors move me. Do they add some kind of graphical feeling to the image. Both of these elements struck me with this image when I came across it the other day. The red stairs, the white railing intersecting the image and the white stair treads all against the horizontal design of the shingles. Lots of lines and texture going on in this image. The added morning light shining on the stairs is a bonus.