Sampled from 6 of Jokara House's App Store screenshots — background, accent and theme, measured by LaunchShots (not something Apple publishes).
#E4040C bg
#E7272E
#FCC40C accent
#FFFFFF text
Type a blazon. Watch your coat of arms render itself. Jokara House is an interactive heraldry studio and learning guide for anyone who wants to master the formal language of arms. At its heart is The Emblazoner — a live two-way canvas where every comma-separated clause of your blazon paints a new element onto a hand-drawn heraldic escutcheon. Tap any charge on the shield to highlight the words that describe it, or move your text cursor and watch the matching charge pulse gold. A strict tincture-rule validator enforces the centuries-old heraldic law in real time — metal shall not sit on metal, colour shall not sit on colour — and explains every violation so each correction becomes a lesson. When your arms are well-formed and tincture-clean, save them as a painted plate to The Ordinary, your personal book of arms. Build vocabulary in The Armory, a fully illustrated catalogue of seventy-…
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 Jokara House's answers to those questions — they're public, they're real, and they made it through Apple's review.
What the numbers say: Jokara House runs a mixed light-and-dark set where the background shifts from screenshot to screenshot (first shot #E4040C) — each image has to stand on its own, so the captions carry more of the story. The accent colour we picked up, #FCC40C, 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 Education apps approach the same problem? Browse more Education 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.