I love ffffound.com Not only because of the idiosyncratic way in which I’m presented with “designer porn”, but because from any image I’m looking at, I have suggestions on other similar images I might like. It works quote well and I often find myself happily stuck in an international-design-style vortex of Brockmann or Crowell.
We’re used to these feedback loops in ecommerce sites but it’s only been recently that we’ve been seeing them pop up for artistic inspiration purposes. Enter Cologorize:
This site is a fantastic resource of inspiration and art direction. I’m not sure why you’d like to begin the search by color, but once looking at a dark comp, for instance, it’s real great to see other similarly executed sites to further stimulate the brain. Go check it out.