I sew for Project Linus so most of my qults are for teens. I start my quilts by grabbing yardage for a focus fab and then grab at least two accent fabrics, some times three if I think they may "play" well together. I have acquired panels and they are really easy to kit. One fab to make it 'large enough' and more for a really cool border. Into zip log bag and then into their special container. When I want to sew something quick and easy, to the bin I go. If I'm using a pattern, I either stick the pattern in the bag or a note what my plan for the kit is.
I don't agonize about color choices. If choices don't screem UGLY, it's a done deal. Quilt is not going to the fair to be judged, but to a kid to be loved.