Helvetica Neue 55 Roman (for body text) or a sturdy serif like Lyon Text.
Visually, Helvetica Neue 35 Thin is characterized by an extreme reduction in stroke thickness. The counters (the enclosed or partially enclosed circular forms in letters like 'a', 'e', and 'o') open up significantly, creating vast white space within the letterforms. The horizontal strokes (like the crossbar of the 't' or the arms of the 'e') remain slightly thinner than the vertical strokes, maintaining the optical balance that prevents the font from looking like a simple computer-generated outline.
At 48pt and above, this typeface becomes stunning. The thinness creates a stark, high-contrast relationship with the white space of a magazine spread. It signals Vogue or The Wirecutter : authoritative but not aggressive.
To the untrained eye, all Helvetica looks the same. To the typographer, the numbering system of the Neue Helvetica family tells a precise story. The first digit (3) denotes the weight group. In Linotypeโs standardized system, the 30s are the "Thin" to "Light" category.