# What is UI Design? User Interface Design Explained > UI design is the visual and interactive design of digital interfaces — buttons, typography, colour, and layout. Good UI design makes products aesthetically… Source: https://elitedigitalagency.io/blog/what-is-ui-design/ Format: Markdown mirror of the HTML page (text/markdown). Content is identical; the canonical, citable version is the HTML source URL above. --- Analytics & CRO # What is UI Design? User Interface Design Explained UI design is the visual and interactive design of digital interfaces — buttons, typography, colour, and layout. Good UI design makes products aesthetically appealing and easy to use. This guide explains what it involves. By Kaiser Khan · 20 June 2026 · 7 min read Last verified: 20 June 2026 UI designwhat is UI designuser interface designUI vs UX Direct Answer UI design (User Interface design) is the design discipline concerned with the visual and interactive elements of digital products — the buttons, typography, colour schemes, spacing, icons, forms, and graphical components that users interact with. Where UX design defines how a digital experience should work and flow, UI design defines how it looks and feels. Good UI design combines aesthetic appeal with clarity — every visual decision serves a functional purpose (this button looks clickable because it needs to be clicked; this section is visually distinct because it contains the most important information). In practice, UI design and UX design are deeply intertwined. A beautiful UI built on a poor UX structure will frustrate users regardless of how attractive it looks. A sound UX structure with poor UI will feel rough and untrustworthy despite being functionally logical. The best digital products are the result of integrated UX and UI design — structural thinking and visual execution working together toward the same goals. ## Core UI design principles - Visual hierarchy — using size, weight, colour, and placement to guide the eye toward the most important elements first - Consistency — using the same visual patterns for the same types of elements (all primary buttons look identical, all headings follow the same rules) - Contrast — sufficient colour contrast between text and background for readability; minimum 4.5:1 ratio for normal text per WCAG AA accessibility standards - Whitespace — generous spacing around elements reduces cognitive load and improves comprehension - Affordance — design elements should visually signal their function; buttons should look clickable, links should look like links, form fields should look enterable - Feedback — interactive elements should visually confirm they have been activated (hover states, loading indicators, success messages) - Responsive design — UI must adapt appropriately across desktop, tablet, and mobile screen sizes Talk to us about web design What software do UI designers use? Figma is the industry-standard UI design tool in 2026, used by the majority of professional design teams globally. It allows collaborative design, prototyping, and component library management in one browser-based tool. Adobe XD and Sketch are alternatives, though Figma has become dominant. For designers coming from a print background, Adobe InDesign and Illustrator are not well-suited to UI design. For businesses commissioning UI design work, Figma files are the standard deliverable format — they allow you to inspect and extract design specifications without needing design skills. Do I need a separate UI designer and UX designer? At smaller scale — individual website projects, app MVP design — a single designer with UX and UI skills (often called a 'product designer') handles both. At enterprise scale — large product teams with complex interfaces — dedicated UX researchers, UX designers, and UI designers are separate specialisms. For most UK SMEs commissioning a website or marketing tool, a design agency or freelancer who describes their work as 'UX/UI design' will handle the integrated process. What matters is that your designer thinks about both how the interface works (UX) and how it looks (UI) — not just the latter. ### Ready to improve your Analytics? Get a free consultation from our expert team. Talk to us ### What to do next ### Tags UI designwhat is UI designuser interface designUI vs UX KK Kaiser Khan Founder & Director · Elite Digital Agency Kaiser Khan is the founder of Elite Digital Agency (Elite Digital AI Solutions Ltd). He specialises in SEO, Answer Engine Optimisation, and AI search strategy for UK businesses and charities. Author page · mrkaiserkhan.com ↗ Keep reading ## Related articles Analytics & CRO ### What is a Data Layer? 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