Brand kit

The Harmonic Brand

Logos, colors, type and the rules for using them. Everything you need to represent Harmonic Security accurately.

Download the brand guide →Get the logos

Logos

The Harmonic Logo

Always lowercase. Use Racing Green on light and white on dark. Black is for one-color print only. Use the supplied files and never redraw them. Clear space equals the height of the "a" on every side, and the minimum digital size is 24 px tall.

Harmonic Security logo in Racing Green

Racing Green on light

White on dark

Black on light, one-color print

Harmonic h inside the Pick brandmark

Harmonic "h" in the Pick

Download the files

Vector is the default. Use PNG where vector is not supported.

Logos (SVG)PNG logosHarmonic "h" in the Pick (SVG)

Tagline lockup

The wordmark pairs with "ai security for the workforce" in two lockups, horizontal for wide spaces, headers and footers, and stacked for square and tall spaces. Use them as supplied. Never rewrite, re-space or separate the tagline from the wordmark.

Harmonic horizontal tagline lockup in Racing Green

Horizontal, Racing Green on light

Harmonic horizontal tagline lockup in white

Horizontal, white on dark

Harmonic stacked tagline lockup in Racing Green

Stacked, Racing Green on light

Harmonic stacked tagline lockup in white

Stacked, white on dark

Download the tagline lockups

Horizontal and stacked, in Racing Green and white. SVG and PNG with transparent backgrounds. Use Racing Green on light backgrounds and white on dark.

Tagline lockups (SVG and PNG)

Color

Racing Green carries the brand, Kryptonite points

Racing Green is the primary color and Kryptonite the primary accent. Kryptonite is for dark backgrounds only. Click any swatch to copy its hex value.

Kryptonite sits outside the CMYK gamut. For swag, signage, packaging and events use the Pantone 902 C spot ink. In CMYK-only print, use white instead of Kryptonite, especially for logos.

Gradients

Gradients stay short

Emerald to Black is the default for large surfaces. The three-step gradients are thin accents only, such as rules, progress bars and underlines. Keep text on the dark end.

Emerald to BlackBackgrounds and large surfaces
Kryptonite to Racing Green via EmeraldBackgrounds and large surfaces that need attention
Kryptonite to Tangerine DreamThin accents only
Kryptonite to Racing Green via Purple RainThin accents only

Backgrounds

Pattern backgrounds

Two default patterns for covers, openers and hero surfaces. Use one per section, keep text off busy areas, and never place them behind small or light copy, tables or charts. Do not recolor them.

Bauhaus pattern: bold geometric shapes in Racing Green over an Emerald to Black fade

Bauhaus pattern

Download SVG
Grid and Dots pattern: the control-layer grid on Racing Green

Grid & Dots

Download SVG

Typography

Poppins for everything

JetBrains Mono is the secondary font, used for eyebrows and technical text. We use weight, not capitalization, for emphasis.

Display · BlackHarmonic
H1 · BoldClosing the TX Gap
H2 · SemiBoldFrom brand vision to systemic reality
H3 · MediumThe control you need to unlock AI
Body · RegularSentences are short and noun-led. The tone is direct.
Eyebrow · Mono SemiBoldCOLOR & TYPE · LIGHT MODE
Technical · Mono Regularpolicy.detect("source_code") → block

Pairings

Pair them like this

A 60·30·10 ratio keeps the brand calm and the lead accent loud. One accent at display size per surface.

Closing the TX GapWhite holds. Racing Green carries the headline, Emerald the highlight.
Calm in the chaosRacing Green is the surface. White carries the line, Kryptonite takes the highlight.
2026 OutlookAshes grounds the page, Charcoal sets the type, Tangerine raises the one alarm.
Code RedEmerald to Black carries the cover. White type, one Tangerine accent.

The Band

The Harmonic Band

Four characters for storytelling, social and campaign moments. Use the supplied art as it is. Never redraw, recolor or generate the characters.

Pix, the leaderThe leaderPix

The leader and the hero. Represents Harmonic and takes the shape of the dotted i in the wordmark.

CTRL, the upbeat oneThe upbeat oneCTRL

Upbeat, and knows what to do and where to be.

Blox, the antagonistThe antagonistBlox

The antagonist, and the one that keeps the beat coming.

Shadow, the ashamed employeeThe ashamed employeeShadow

Hangs back and keeps using AI at all costs.

Download 2D →Download 3D →

People

Founder headshots

For press and event use.

Alastair Paterson
Alastair Paterson

CEO and co-founder, Harmonic

Download headshot
Bryan Woolgar-O'Neil
Bryan Woolgar-O'Neil

CTO and co-founder, Harmonic

Download headshot

Rules for AI tools

Using Claude or another AI tool? Share the guide

Attach the brand guide to your request. These are the rules it will follow.

  • Color. A Racing Green, White or Ashes to Ashes base, with one primary accent at display size per surface. Never Kryptonite text on white or light backgrounds.
  • Logo. Use the supplied SVG. Racing Green on light, white on dark backgrounds. Never retyped, uppercased, stretched or placed on busy imagery.
  • Type. Poppins for everything, JetBrains Mono for eyebrows and technical text. Emphasis by weight, not italics. Highlighted headline words change color only.
  • Gradients and backgrounds. Emerald to Black for large surfaces. Three-step gradients as thin accents only, except Kryptonite to Racing Green via Emerald, which is also the website background. One background per section.
  • Icons and the Pick. Bauhaus icons for concepts, one per item. The Pick brandmark is the only shape that holds the Harmonic "h", one per layout, never repeated or rotated.
  • The Band. Supplied 3D or 2D art only. Never redrawn, recolored, generated or mixed across 3D and 2D.
  • Writing. Plain, specific prose. No em dashes, tricolon slogans, rhetorical questions or filler like leverage, robust, seamless and unlock.
Download the brand guide →
US office465 California St. Suite 700
San Francisco, CA 94104
US mailing address1390 Market St #200
San Francisco, CA 94102
UK office1 Old Street Yard
London EC1Y 8AF
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As every employee adopts AI in their work, organizations need control and visibility. Harmonic Security delivers AI Governance and Control (AIGC), the intelligent control layer that secures and enables the AI-First workforce. By understanding user intent and data context in real time, Harmonic gives security leaders all they need to help their companies innovate at pace.
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