Sampled from 6 of Plixa Quest's App Store screenshots — background, accent and theme, measured by LaunchShots (not something Apple publishes).
#04044C bg
#272765
#1C1CA4 accent
#FFFFFF text
Plixa Quest puts a hex dump on your screen and teaches you to read it. Every file is just bytes arranged in a grid — sixteen columns wide, memory addresses in the gutter, parsed fields highlighted in callout tags. Tap any byte region and the Inspection Bench explodes it outward: leader-lines whip to margin annotations naming each field, its byte range, its parsed value, and why the byte order matters. Flip the endianness switch the wrong way and the app surfaces exactly what breaks — a hands-on lesson no textbook delivers as cleanly. The Format Atlas documents 80 binary containers — PNG, ZIP, ELF, PE/COFF, Mach-O, TLS, PCAP, SQLite, MP4, X.509, and more — with full structural breakdowns and field tables. The Drills ladder walks you from magic-number identification through length-prefix discipline, endianness recognition, chunk navigation, CRC validation, and container archaeology. Two…
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 10 screenshots above are Plixa Quest's answers to those questions — they're public, they're real, and they made it through Apple's review.
What the numbers say: Plixa Quest runs a mixed light-and-dark set where the background shifts from screenshot to screenshot (first shot #04044C) — each image has to stand on its own, so the captions carry more of the story. The accent colour we picked up, #1C1CA4, 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.