Sampled from 4 of seriously: in your corner's App Store screenshots — background, accent and theme, measured by LaunchShots (not something Apple publishes).
#041C0C bg
#273B2E
#2CE43C accent
#FFFFFF text
Reading the caption text from the screenshots in your browser…
seriously. your favorite character, in your corner. imagine the person you'd most want cheering you on. now imagine they actually showed up: remembered what you're working toward, checked in on the right day, and knew exactly what to say when you did the thing or when you didn't. that's seriously. pick a character or build your own, point them at whatever you're chasing, and let them help you become the version of yourself you said you wanted to be. how it works: - choose your character. pick from a library of personas or create your own — the voice, the vibe, the energy. this is who's in your corner. - set a goal, any goal. cook five new dishes. build a bigger bicep. journal every night. learn guitar. stay off the apps that eat your evenings. just say what you want, and seriously builds the goal around it — what it tracks, when it nudges, how it checks in. - get coached in a voice y…
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 seriously: in your corner's answers to those questions — they're public, they're real, and they made it through Apple's review.
What the numbers say: seriously: in your corner runs a dark set with one background colour (#041C0C) 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, #2CE43C, 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.