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Everything you need
to build apps

Expo is a full-stack React Native framework with powerful cloud services to help you move faster.

Colors

All tokens confirmed from --expo-color-* and Radix Slate CSS custom properties in production.

App Icon Palette
cyan → light-blue → dark-blue → indigo → purple → pink → orange → gold → yellow → lime → light-green → dark-green
Surfaces — Light Mode (Radix Slate)
slate-1 / bg#FCFCFD
slate-2 / subtle#F9F9FB
slate-3 / element#F0F0F3
slate-7 / border#CDCED6
slate-11 / text-2#60646C
slate-12 / text#1C2024
Surfaces — Dark Mode (Radix Slate dark + Expo override)
screen / bg#0C0D0EExpo override
slate-2 / surface#18191B
slate-3 / element#212225
slate-7 / border#43484E
slate-11 / text-2#B0B4BA
slate-12 / text#EDEEF0

Typography

Inter (variable 100–900) for all UI text. JetBrains Mono (variable 100–800) for terminal output, build IDs, and code.

h1 Build for everyone 40px / 700
h2 EAS Build 28px / 700
h3 Recent Builds 20px / 600
body-lg Build, submit, and update your React Native app in the cloud. 16px / 400
body Build started 3 minutes ago on main branch 14px / 400
code eas build --platform all 13px Mono
build-id b3f8a1c2-9e4d-4f2a-8b7e-1a2c3d4e5f6a 12px Mono

Components

Primary buttons are black (light mode) — Expo's intentional B&W first design. Rainbow palette used only as category indicators.

Buttons
Build Status Badges
Finished In queue Failed Cancelled

EAS Build Dashboard

Expo Application Services — the signature Expo product experience.

Total Builds
1,284
This Month
143
Success Rate
94.2%
Avg Duration
4m 32s
Builds
Platform Build Branch Status Duration Started
iOS b3f8a1c2 main In queue — just now
Android c7d2e9f4 main Finished 3m 48s 5 min ago
iOS a1b2c3d4 feat/dark-mode Finished 5m 12s 22 min ago
Android e5f6a7b8 feat/dark-mode Failed 1m 04s 25 min ago
iOS f9e8d7c6 release/v2.4.0 Finished 4m 55s 1 hr ago
Android b2a3c4d5 release/v2.4.0 Finished 3m 22s 1 hr ago
iOS d6e7f8a9 fix/onboarding Cancelled — 3 hr ago
Web c9b8a7f6 main Finished 1m 08s 4 hr ago