Sans Superellipse Donil 12 is a light, normal width, monoline, upright, normal x-height font.
Keywords: ui design, app interfaces, wayfinding, product branding, dashboards, modern, clean, technical, friendly, minimal, clarity, consistency, interface polish, modern neutrality, geometric unity, rounded corners, geometric, superelliptic, open apertures, crisp.
This typeface is a monoline sans with a distinctly superelliptic construction: curves resolve into rounded-rectangle forms with consistent corner radii and smooth, even strokes. Uppercase shapes are broadly geometric and stable, while lowercase forms follow a simple, functional skeleton with soft terminals and clear counters. The overall rhythm is airy and uncluttered, with generous internal space and open apertures that keep letters like c, e, and s from closing up. Numerals and punctuation echo the same rounded-square logic, giving the set a cohesive, system-like look.
It performs well in digital UI and product typography, where its open counters and uniform stroke behavior support legibility at small to medium sizes. The rounded-rect geometry also makes it suitable for dashboards, settings screens, and signage/wayfinding systems that benefit from a clean, cohesive visual language. In branding, it can convey a modern, minimal, and slightly tech-oriented personality without becoming overly rigid.
The tone feels contemporary and quietly technical, pairing a precise, engineered geometry with approachable rounded edges. It reads as calm, neutral, and efficient rather than expressive or calligraphic, with just enough softness to avoid feeling cold. The overall impression suits interfaces and product contexts where clarity and polish matter.
The design intent appears to be a highly consistent, geometry-driven sans that systematizes round forms into superelliptic, rounded-rectangle shapes. By combining even strokes, softened terminals, and open counters, it aims for dependable readability while projecting a contemporary, interface-ready aesthetic.
Distinctive details include rounded-rectangle bowls (notably in O/Q/0/8), softened joins, and a consistent corner treatment that carries through diagonals (V/W/X/Y) without becoming sharp. The lowercase has a straightforward, utilitarian feel, and the digit set appears designed for quick recognition, reinforcing a UI-friendly character.