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iOS App Icon Colors in 2015

Hwee-Boon Yar:

I wrote a couple of Ruby scripts and pulled charts from the iOS US app store using RSS feeds from Apple, downloaded the icons and extracted the primary colors used in each icon. I then wrote a Mac app to generate the numbers, charts and tables. The Newsstand category includes apps from several charts and did not have a separate paid app chart so while I have included the data for completeness sake, I wouldn’t be looking at it.

I extract the primary color from each icon and put them loosely into one of these color groups: red, green, blue, black, white and gray. If they are identified as black, white and gray, I look at their secondary color and try to place them into red, green, blue instead where possible (e.g a small, single blue letter on a white background might work better if it’s classified as blue instead of white).

The app icons for each chart are then stacked vertically. The taller a column is, the more commonly that color is used for icons in that chart.

The data was pulled over several days from 16 Dec to 22 Dec 2015.

You may remember a similar research by Stuart Hall from earlier this year. Hwee-Boon Yar’s builds upon it with more details for categories and a full breakdown of distribution of app icons. I’m always fascinated by these studies.