Sampled from 6 of Spike.sh's App Store screenshots — background, accent and theme, measured by LaunchShots (not something Apple publishes).
#042CBC bg
#2749C5
#4CA44C accent
#FFFFFF text
Reading the caption text from the screenshots in your browser…
Spike's mobile app is built to help engineering and ops teams stay on top of critical incidents and manage on-call schedules with ease. With Spike, you can ensure timely responses, streamline incident resolution, and keep service reliability high. Key Features: - Critical Alerts for Incidents Receive critical notifications that break through Focus Mode or silent settings, ensuring you never miss an urgent alert. - On-Call Management Manage your on-call schedule right from your pocket. Check who is on-call now and who will be on-call next. - On-Call Shift Notifications Get notified when your on-call shift starts and ends. Know if you're on-call and be prepared to respond. - Track Open Incidents Easily view all open incidents in your organization, including those assigned to you. - Acknowledge and Resolve Incidents Respond quickly by acknowledging or resolving inci…
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 14 screenshots above are Spike.sh's answers to those questions — they're public, they're real, and they made it through Apple's review.
What the numbers say: Spike.sh runs a dark set with one background colour (#042CBC) 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, #4CA44C, 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 Developer Tools apps approach the same problem? Browse more Developer Tools 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.