A good User Interface (UI) it’s a nice and simple way to use that can make the user experience better. General Design Principles for UI: UI should adhere to basic designs principles:
- Clarity & Simplicity
- Keep your designs clean and free of clutter to not overwhelm users.
- Use clear typography, intuitive icons, and simple layouts.
- Ensuring the next step is correctly understood by users.
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2. Consistency
- Ensure that all screens appear consistent with the same colors, typography, buttons, and UI elements.
- Follow design systems based on —→ Material Design (Google) / Human Interface Guidelines (Apple).
- Ensure consistent navigation but do not confuse the users
A UI kit to keep everything consistent across the designs
3. Visual Hierarchy
- Control the reader’s focus with size, contrast, and spacing.
- Key elements (CTAs, headlines) are assertive
- Space out your shots to eliminate visual clutter
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4. Responsive & Adaptable
- UI of the desktop/tablet/mobile should work as expected.
- Make use of flexible grids and adaptive layouts for better usability.
- Make sure touch targets are big enough for mobile users.
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5. We will look at Feedback & Interactivity
- Users should have visual feedback as soon as they start interacting (i.e., button clicks, form submissions).
- Not everything needs a micro-interaction (hover effects, loading animations) to feel responsive.
- Error messages shoud be human friendly, assisting the user to find a solution.
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6. Accessibility & Inclusivity
- Make sure enough color contrast is used for readability (WCAG guidelines)
- Ensure keyboard navigation and screen reader support.
- Do not rely solely on color to convey information—provide labels/icons.
Interested in the UI which is user-friendly for everyone? Here’s a great example
Final Thoughts: Elements of a Good UI
- Simplicity → Easy to use and understand;
- Consistency → Provides uniformity among the elements to make it more familiar.
- Hierarchy → Directs user attention to important things.
- Responsive → Functions without issue on all devices.
- Feedback → Explained interactions clearly.
- Accessibility → Able to be used by anyone.
Want to UI design abide by all those principles? Here’s a great reference