Sans Normal Arbup 4 is a regular weight, normal width, low contrast, upright, normal x-height font visually similar to 'Croih' by 38-lineart and 'Neue Plak' and 'Neue Plak Display' by Monotype (names referenced only for comparison).
Keywords: ui text, body text, product design, signage, presentations, modern, neutral, clean, friendly, straightforward, general-purpose, legibility, neutral voice, screen readability, clarity, humanist, open forms, rounded terminals, clear numerals, even rhythm.
This typeface is a clean sans with gently rounded curves and largely uniform stroke thickness. Shapes are built from simple circular and oval construction, with open apertures and clear counters that keep letters legible at a range of sizes. Uppercase forms are steady and balanced, while the lowercase shows a slightly humanist feel in details like the single-storey “a” and “g,” and a compact, functional “t.” Numerals are simple and readable, with a distinctively rounded “0” and straightforward, open forms across the set.
It works well for interface labels, product copy, and general body text where neutrality and legibility are priorities. The clear letterforms and uncomplicated numerals also suit dashboards, wayfinding-style layouts, and presentation typography that needs to stay unobtrusive.
The overall tone is modern and matter-of-fact, projecting clarity and approachability rather than showiness. Its smooth curves and restrained geometry give it a friendly, contemporary voice suitable for general-purpose communication.
The design intent appears focused on an all-purpose sans for everyday reading and on-screen use, emphasizing straightforward construction, consistent rhythm, and dependable legibility without stylistic distraction.
Spacing and rhythm appear even in running text, with consistent proportions and calm vertical stems. The design avoids sharp or decorative features, relying instead on clean joins and simple terminals to maintain a quiet, utilitarian look.