Sans Normal Opkop 4 is a very bold, normal width, medium contrast, upright, normal x-height font visually similar to 'Core Sans N SC' and 'Core Sans NR' by S-Core (names referenced only for comparison).
Keywords: posters, packaging, headlines, children’s media, branding, playful, chunky, friendly, quirky, bouncy, friendly display, playful branding, expressive impact, soft corners, rounded terminals, irregular rhythm, compact bowls, wide apertures.
A heavy, rounded sans with soft corners and subtly irregular stroke shaping that gives the letters a hand-cut, slightly wobbly rhythm. Curves are broad and full, with compact counters and generous apertures that keep forms open despite the weight. Terminals tend to be rounded or softly squared, and joins show mild tapering that adds movement without feeling calligraphic. Numerals match the letterforms with sturdy, bulbous shapes and clear silhouettes.
Best suited to display use such as posters, headlines, packaging, and branding where a friendly, energetic voice is desired. It also fits children’s media and playful editorial callouts; in longer passages it will read as strongly stylized, so it works best when used sparingly or at larger sizes.
The overall tone is warm and informal, with a comic, friendly energy and a touch of quirkiness. Its bouncy silhouettes and uneven cadence feel approachable and expressive rather than strict or corporate.
The design appears intended to deliver a bold, approachable display voice with rounded forms and a deliberately lively rhythm. It prioritizes personality and impact over strict geometric uniformity, aiming for an inviting, expressive texture in titles and short text.
Uppercase forms read bold and poster-like, while the lowercase keeps a sturdy, rounded texture that holds together well in short lines. The design’s intentional irregularities become more noticeable in continuous text, where the baseline and stroke rhythm feel lively and animated.