There's a website that has a new way of looking at national flags. The "Flags by Colours" page at http://shaheeilyas.com/flags/ drafts out the different national flags as piecharts, each one with the colors proportional to the area of the color on the respective flag.
It's really kind of a cool page to check out. It's interesting to see the various proportions of colors in different flags. And clicking on the pie chart will reveal the flag, in case you are going, as I found myself doing more than once, "What the ...?"