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UI Design with Nano Banana Pro: Practical Use Cases, Workflow, and Sample Prompts

Philippe H.

January 30, 2026

UI design is evolving fast. Designers are moving beyond traditional tools and static mockups, embracing AI not only for inspiration but for real interface work. Nano Banana Pro stands out because it combines strong spatial understanding, accurate text generation, and high-resolution output. Nano Banana Pro also benefits from improved text rendering, enabling clearer and more accurate UI text. This makes it especially useful for interface creation, exploration, and iteration in professional UI design workflows.

Instead of replacing design tools, Nano Banana Pro acts as a visual thinking engine. It helps designers externalize ideas quickly, test layout assumptions, and explore directions before committing time to detailed execution. Nano Banana Pro leverages real world knowledge and world knowledge to generate contextually accurate and relevant UI elements.

Below, we explore how Nano Banana Pro fits into modern UI workflows, from early ideation to high-fidelity mockups, with practical guidance and sample prompts you can use immediately.

Nano Banana Pro is developed by Google DeepMind and integrates with tools like the Gemini app and Google AI Studio for a seamless design workflow.

Why Nano Banana Pro Matters for UI Design

The demands of UI design are very different from illustration or concept art. Interfaces require readable text, logical spacing, consistent alignment, and believable component relationships. Nano Banana Pro performs well here because it treats UI elements as structured systems rather than decorative shapes.

Accurate text rendering means buttons, labels, and headings feel usable rather than placeholder noise. Strong layout awareness ensures navigation, content areas, and controls relate to each other in realistic ways. Support for 4K output allows designers to zoom in, present concepts clearly, and reuse visuals in decks or design tools.

For UI designers, this reduces friction early in the process. Instead of explaining abstract ideas, teams can react to something tangible.

Case 1: Style-Driven UI Screens

Visual style exploration is often the first step in UI design. Nano Banana Pro allows designers to describe an aesthetic and immediately see it applied to a realistic interface, helping create eye-catching UI screens that stand out visually.

Instead of creating mood boards and partial mockups, designers can generate full screens that show how a style behaves across navigation, cards, typography, and spacing.

This helps teams answer questions like:

• Does this style feel right for the product?
• Does it support readability and hierarchy?
• Does it match the intended brand tone?

Sample Prompt: Glassmorphism SaaS Dashboard

Design a SaaS analytics dashboard UI in glassmorphism style. Include a left sidebar navigation, top header with user menu, KPI cards, and a main data visualization area. Use frosted translucent cards, subtle blur, soft shadows, and a dark navy gradient background. Clean sans-serif typography, realistic UI labels, minimal icons. Professional UI design, 4K resolution.

This kind of prompt produces a screen that communicates style clearly, making it easier to align visually before investing in design systems.

Case 2: Rapid Ideation and Concept Exploration

Traditional UI ideation often requires building multiple rough layouts manually. Nano Banana Pro speeds this up by allowing designers to explore variations through prompt iteration.

Small changes in language can produce noticeably different outcomes. Adjusting density, emphasis, or tone lets designers compare directions quickly and discard weak ideas early. Designers can also change aspect ratio to efficiently explore different screen formats and layouts during this process.

The key is clarity. Prompts should express intent, not just appearance.

Sample Prompt: Layout Density Exploration

Create a productivity app dashboard UI focused on power users. Dense layout with compact spacing, multiple panels visible at once, and strong information hierarchy. Neutral dark theme, subtle accent colors, readable text. Emphasis on efficiency and scannability. High-resolution UI design.

A follow-up prompt could request a more spacious layout with fewer visible elements, allowing side-by-side comparison.

Case 3: Complete Screen Layouts from Prompts

Nano Banana Pro can generate full UI screens directly from text descriptions, making it useful for validating structure and information architecture.

Designers can define layout hierarchy in words and let the AI visualize it. This is especially helpful when collaborating with non-designers who think in terms of features rather than pixels.

Sample Prompt: Fintech Mobile Dashboard

Design a mobile fintech app dashboard UI. Show account balance at the top, quick action buttons below, recent transactions list, and a bottom navigation bar. Clean modern UI style, light background, blue accent color. Clear hierarchy, readable text, realistic UI components. High-resolution mobile interface.

This approach communicates structure clearly without requiring a full prototype.

Case 4: From Wireframes to High-Fidelity Mockups

Wireframes are useful internally, but they can be hard for stakeholders to interpret. Nano Banana Pro allows designers to move from wireframe-level thinking to high-fidelity visuals quickly.

By describing layout and intent, designers can generate screens that look close to finished products while still being flexible.

Sample Prompt: Wireframe Translation

Create a high-fidelity UI mockup based on a wireframe layout. Header with logo and navigation, two-column content area, and footer. Left column shows user profile and settings, right column shows activity feed and notifications. Modern flat UI style, balanced spacing, soft shadows. Realistic interface text, 4K resolution.

This is particularly effective for early demos and concept validation.

Case 5: UIs with Multiple Integrated Elements

Complex UIs often combine dashboards, tables, charts, filters, and alerts. Nano Banana Pro can handle this complexity if prompts clearly define priorities.

Designers should guide the model by stating what is primary, secondary, and supportive.

Sample Prompt: Data-Heavy Analytics Dashboard

Design an enterprise analytics dashboard UI. Top section shows KPI summary cards, middle section contains interactive charts, bottom section displays a detailed data table. Left sidebar navigation, dark theme with high contrast. Emphasis on clarity, spacing, and logical grouping of elements. Professional UI design, 4K output.

These outputs can then be refined or rebuilt in tools like Figma using proper design systems.

Writing Effective Prompts for UI Outcomes

Prompting Nano Banana Pro effectively is a design skill. Strong prompts usually include:

• Product type and platform
• Target user or context
• Layout structure and hierarchy
• Visual style and tone
• Key UI components and text
• Desired resolution

Treat every output as feedback. Iteration is expected, and small prompt adjustments often lead to significant improvements.

What Nano Banana Pro Isn’t

Nano Banana Pro is not a replacement for UI designers or production tools. It does not understand accessibility rules, brand constraints, or technical limitations deeply.

Its value lies in acceleration, not automation. Designers should always apply judgement, usability principles, and system thinking before implementation.

Conclusion

Nano Banana Pro changes how UI designers approach early visual work. It enables faster exploration of style, structure, and content, producing high-resolution outputs that feel close to real interfaces.

Used thoughtfully, it shortens feedback loops and improves alignment across teams. The strongest results come when AI-generated concepts are refined by experienced designers.

If you want to turn Nano Banana Pro concepts into scalable, production-ready UI systems, raw.studio helps bridge that gap. We transform early ideas into interfaces that work in real products, for real users.

Explore UI design with Nano Banana Pro and take your projects further with raw.studio.