Very often we are impressed with awe when we see a beautiful picture, photo, advert. The colors, their combination presents an alluring view just right for our eyes. If you notice more closer, you can seeing that more often the colors are complemented (red with white, green with blue…) to give a undistracted overall look. This is essentially because our eyes find this visually pleasant.
I have a tool which can offer such combinations, and you should design your color combinations using the suggested patterns
http://9i9.me/colors/index.html/ – For visually stunning color combinations
Keep working!