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OpenSSF brand guidelines

OpenSSF provides a single-page brand guide outlining voice spectrums, logo usage, color palettes, fonts, and presentation templates.

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OpenSSF guidelines: Brand Guidelines
Brand Guidelines Captured 18 Sep 2026 Captured manually

OpenSSF brand guidelines page detailing tone sliders, logo clear space, mascot Honk, color palettes, typography, and vector art.

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Freedam's take

I like how clear OpenSSF is about personality right at the top. Instead of dry lists of rules, they use horizontal sliders mapping out voice between pairs like playful versus informative or casual versus formal. Further down, you get the essential identity toolkit, including primary marks, clear space guidelines, monochrome versions, and even their mascot icon named Honk. The typography pairs IBM Plex Sans with Cairo, backed by rich gradients and geometric vector art. It feels like an open, practical single-page manual built right into their core WordPress site.

At a glance

Sections
How We Communicate · Our Name · Our Logo · Colors · Typography · Vector Art · Presentation Template · Legal
Tone
Direct, structured, and informative technical foundation guidance.

What I noticed

  1. The communication section visualizes brand voice using horizontal spectrums between opposite attributes such as Playful vs Informative and Casual vs Formal.1
  2. The guide presents a primary logo, a stacked secondary logo, clear space diagrams, and a mascot icon named 'Honk'.2
  3. Color palettes specify swatch names with hex codes and show two-tone linear gradients.3
  4. Typography guidance specifies IBM Plex Sans for headlines and Cairo for body copy.4

Numbers refer to the screenshots above.

What I could not see

  • Could not inspect downloadable asset files or check if file packages are linked directly on the page.
  • Could not view the contents or file format of the presentation template section.

Ideas to borrow

  1. Use horizontal sliders between contrasting attributes like casual vs formal to quickly communicate editorial tone without lengthy prose.1

Quick answers

What fonts are used in the OpenSSF brand identity?

OpenSSF specifies IBM Plex Sans for headlines and Cairo for body text.4

What is the name of the OpenSSF mascot icon?

The OpenSSF mascot icon is named 'Honk'.2

Reviewed on 25 September 2026. Request a correction · I built this

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OpenSSF articulates brand voice using spectrum sliders and displays geometric vector art alongside its core identity. In contrast, the Apache Software Foundation brand kit focuses on direct downloads for SVG and PDF logos, project lockups, and sticker templates, while Matrix.org Foundation offers direct zip archive downloads and tiered membership badges with HTML snippets.