A grey box is a partially transparent or semi-functional model of a product—often software, an app, or a website—that shows the basic layout and flow without final graphics, colours, or full working code. Think of it as a draft sketch you can click through.
In daily life, designers hand a grey box to their team or client so everyone can test the menus, buttons, and navigation early on. It saves time because people spot problems before the pretty visuals or heavy code are added. You’ll hear someone say, “Let’s walk through the grey box first, then polish the colours later.”
Meaning & Usage Examples
• A startup shows investors a grey box of their new WhatsApp-like chat to prove the idea works.
• A teacher uses a grey box version of Google Classroom to train staff before the real launch.
• A UX team sends a grey box link in Slack; teammates leave comments on each screen in minutes.
Common Context
Grey boxes pop up in agile sprints, hackathons, and early product demos. They’re fast to build in tools like Figma or Adobe XD and are perfect when you need quick feedback without writing real code.
Is a grey box the same as a wireframe?
Almost. A wireframe is usually static; a grey box is clickable and feels more like a working demo.
Do users ever see a grey box?
Rarely. It’s mainly for internal teams, beta testers, or stakeholders, not the public release.
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