Sans Normal Ongen 13 is a regular weight, wide, low contrast, upright, normal x-height, monospaced font visually similar to 'Chromatic Mono' by Colophon Foundry and 'TT Commons™️ Pro' by TypeType (names referenced only for comparison).
Keywords: code, terminal ui, data tables, technical docs, ui labels, utilitarian, technical, neutral, no-nonsense, workmanlike, clarity, alignment, screen use, coding, data display, geometric, sturdy, blocky, open counters, square dots.
This is a clean, monospaced sans with sturdy, low-contrast strokes and generous width per character. Letterforms lean toward geometric construction: round shapes are close to circular, while verticals and horizontals stay straight and firm, producing a crisp, even rhythm across lines. Terminals are mostly blunt and squared, with minimal modulation, and spacing is consistent cell-to-cell, giving the design a stable, grid-friendly texture. The lowercase uses simple, highly legible forms with open counters and straightforward joins, while figures are robust and evenly weighted for tabular alignment.
It performs well anywhere fixed-width alignment is essential, such as code editors, terminals, logs, and configuration screens. The consistent character widths and sturdy shapes also suit tables, forms, command-line interfaces, and technical documentation where scanning and comparison are frequent. At larger sizes it can serve as a utilitarian headline or labeling face for dashboards and admin tools.
The overall tone is practical and technical, prioritizing clarity and consistency over personality. Its steady monospaced cadence and squared details evoke coding, instrumentation, and system UI contexts where neutrality and reliability matter. The feel is modern and matter-of-fact rather than expressive or decorative.
The design appears intended as a legibility-first monospaced sans for screen and interface use, combining geometric simplicity with durable stroke shapes. It aims to keep characters easily distinguishable and evenly aligned, supporting structured text and data-heavy layouts without drawing attention away from content.
Distinctive details include square, centered dots on i and j, a single-storey a, and a straightforward, easily distinguishable numeral set; the zero is clearly differentiated with a diagonal slash. Capitals read bold and stable, with clear diagonals and broad curves that remain smooth at display sizes while staying functional in text.