Outline Sibo 10 is a very light, normal width, low contrast, upright, normal x-height font.
Keywords: headlines, posters, packaging, invitations, logos, refined, heritage, editorial, ceremonial, airy, outline display, classic revival, formal branding, engraved feel, serif, bracketed, classical, calligraphic.
This typeface is drawn as a clean outline serif with a double-line construction that leaves the interiors open, producing a crisp, airy silhouette. Letterforms follow traditional roman proportions with bracketed serifs, moderate stroke modulation, and rounded joins that keep the contours smooth rather than sharp. Curves are generously drawn (notably in C, G, O, and S), while stems and serifs maintain consistent spacing between inner and outer contours, giving the outlines an even rhythm across the alphabet and numerals.
Best used at larger sizes where the outline construction stays clear: headlines, posters, pull quotes, and titling. The elegant roman structure also suits invitations and formal announcements, premium packaging, and refined wordmarks where a light, engraved feel is desired.
The overall tone is elegant and formal, with a classic bookish sensibility enhanced by the light, ornamental outline treatment. It reads as vintage and ceremonial—well suited to upscale or traditional themes—while the open construction adds a contemporary lightness and a touch of display flair.
The design appears intended to translate a classic serif into an outline display style, preserving traditional proportions and serif detailing while emphasizing negative space for a lighter, more decorative presence.
In longer text the interior gaps and thin contour lines create a delicate texture, making whitespace a prominent part of the letterforms. The numerals echo the same outlined, bracketed-serf construction, with curved figures feeling especially decorative and the straight figures maintaining a stately, engraved-like presence.