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The Subtle Art of Rounded Corners: A UX/UI Perspective.
As a designer, attention to detail is key to making impactful user experiences. Rounded corners, often overlooked yet highly effective, are one such detail. Frequently seen on buttons, cards, and various interface elements, these soft curves have become a defining feature of modern UI design. Beyond aesthetics, rounded corners make interfaces more inviting, approachable, and user-friendly. For instance, a button with sharp, square edges may feel rigid, while one with rounded corners appears more welcoming, encouraging interaction. This small design choice can significantly enhance the user experience, creating a smoother and more accessible interface.

Softened Aesthetics
Rounded corners are softer and less aggressive to the eye than sharp corners. Their gentle curvature suggests smoothness, making the overall design feel friendlier and more inviting. This fosters a sense of ease and comfort for users navigating the interface.
Reduced Cognitive Load
Studies show that our brains process rounded shapes faster than sharp-edged ones. The smoother flow of a rounded corner guides our eyes naturally from one point to the next. The reduced cognitive load accelerates comprehension, allowing users to understand and interact with content more effortlessly.
Safety and Approachability
Historically, sharp objects and edges have been perceived as threats. This evolutionary understanding translates even to our digital interactions. Rounded corners appear less threatening and more approachable, enabling users to feel more at ease with the interface.
Emphasis on Content
Rounded corners gently direct users’ focus inward, centering attention on the content within a container. This subtle guidance ensures that users remain engaged with what truly matters — the content.
Consistency with Natural Elements
Nature is replete with curves and roundness. By emulating these natural shapes…