Sans Superellipse Biroy 4 is a very light, normal width, high contrast, italic, normal x-height font.
Keywords: headlines, display, branding, posters, ui titles, airy, technical, futuristic, sleek, elegant, modernity, speed, precision, distinctive voice, geometric styling, monolinear, angular-round, segmented curves, narrow apertures, open counters.
A very thin, sharply slanted sans with a geometric construction that mixes straight, taut strokes with rounded-rectangle (superellipse-like) bowls. Curves often feel slightly segmented or faceted, giving round letters a crisp, engineered edge rather than a purely circular flow. Strokes are consistently fine with crisp terminals and minimal modulation, while the italic angle and tall proportions create a fast, forward rhythm. Counters stay open and clean, and many forms show squared shoulders and rounded corners, producing a distinctive “rounded polygon” silhouette across letters and numerals.
Best suited to headlines, short UI titles, packaging/branding accents, and poster-style display where its thin strokes and angled geometry can stay crisp. It can also work for short editorial callouts or pull quotes, but the very light hairlines and tight rhythm will typically benefit from generous size and spacing.
The overall tone reads sleek and contemporary, with a light, high-tech sensibility. Its forward slant and precise geometry suggest speed, refinement, and a slightly futuristic, design-led attitude rather than warmth or tradition.
The design appears intended to deliver a modern italic voice with a distinctive superelliptic geometry—combining the clarity of a sans with a stylized, engineered curve language. It prioritizes a recognizable silhouette and contemporary tone for attention-grabbing typography.
The design leans on tall verticals and compact internal spacing, so texture becomes delicate and linear at text sizes. Numerals echo the same rounded-rect geometry and angled posture, supporting a cohesive system feel across letters and figures.