Use an acrylic paint, and don't coat the gutters as well closely. The lighter the paint, the greater the likelihood of it sticking on the surface. Once the paint has dried you might need to employ a second coat. Or you can utilize a colored trim, and coordinate the trim http://messiahrwwuv.digiblogbox.com/14899650/not-known-factual-statements-about-exterior-paint-and-trim-ideas