Sampled from 2 of BUKU's App Store screenshots — background, accent and theme, measured by LaunchShots (not something Apple publishes).
#F4FCFC bg
#D6DDDD
#F47C24 accent
#111111 text
BUKU offers you digital access to a growing number of textbooks. Don't just use the books on your book list, but any book that helps you with your studies, research or job. The information you need is quick and easy to find. The advanced search function recognizes your search term, which allows you to search directly in one or all books in the library. That way you study faster. You can easily take notes, mark texts and find everything easily. This way you study more effectively and you remember more. You can also easily compile, manage and share your own book lists. The BUKU app is seamlessly synchronized with the website. If you read a book at home on your laptop or desktop computer, you can read directly on the app, without first having to search for where you were already. The notes and notes are also shared on all platforms. BUKU is more than a paper book: it is a learning envi…
Every shipping app on the App Store has gone through the same decisions you're working through right now: which screenshot goes first, what caption sits over it, which device frame to show, what color the background should be. The 4 screenshots above are BUKU's answers to those questions — they're public, they're real, and they made it through Apple's review.
What the numbers say: BUKU runs a light set with one background colour (#F4FCFC) carried across every screenshot — the listing reads as a single poster when the shots sit side by side in search results. The accent colour we picked up, #F47C24, is the one to reuse for badges, arrows and highlighted words if you borrow this look. Hit Use this style to open the editor with these exact colours and drop your own screenshot in.
Notice the first screenshot in particular. It's the one users see in search results and on the product page, and it's where most apps spend their best caption and tightest design. Look at the proportion of background to phone, where the text sits, what one thing the image is trying to communicate.
Want to see how other Book apps approach the same problem? Browse more Book apps in the showcase.
Open LaunchShots and design your App Store & Google Play screenshots — pick a device frame, drop captions, ship in minutes. Free, in your browser.
Open the screenshot editor →Closest background + accent colours among the listings we've analysed — useful when you want to see the same palette handled by a different team.