Choosing the right color combos in your design is such a big deal. We’re all drawn to certain colors and said colors play a factor into our feelings, it’s all physiological just like smell. I’ve seen a lot of color studies and while most of .
"Vertical Landscape" by Eiko Ojala. It looks like a paper landscape but the artist actually works digitally and hand-draws all the elements to look like they're cut out of people. (Hint: the shadows help!