Systems outlive logos

A logo answers one question: what does the mark look like? Everything else a brand has to do, it doesn’t answer. What size is a heading in the app? Which green is for success and which is for the brand? How does the onboarding email sound? Without rules, each of those gets decided by whoever happens to be making that thing that day.

Hand someone a logo and they can place it. Hand them a system and they can keep the whole brand consistent on surfaces nobody designed for, like a new pricing page, a conference banner or a settings screen added two years from now.

What goes into an identity system

• 01Type: the typefaces, a size scale and when to use each step, in the product and on the site.
• 02Color: the palette plus roles, so it’s clear which colors are for the brand, for actions and for states like errors and warnings.
• 03Spacing and layout: a spacing scale and a few layout rules that make screens and pages feel related.
• 04Logo rules: sizes, clear space, versions for dark and light backgrounds, and what not to do with it.
• 05Voice: how the brand writes, with examples for buttons, error messages and marketing copy.

Where the rules should live

For a software product, a brand guidelines PDF isn’t enough on its own. The same rules should exist as design tokens the product and the marketing site both use, and as components built on those tokens. If your team builds with AI coding tools, we also write the system down in plain text, in a DESIGN.md file the tools can read before every change, so they follow your brand instead of their defaults.

The test

The test of an identity system is what happens when the designer isn’t there. Can your team, or your AI tools, make a new page or screen that looks right without asking anyone? If the brand only holds together while one person checks everything, it’s still a dependency on that person, and the system isn’t finished.

A note on generative identities

Some identities go a step further: the logo or pattern is generated from a set of parameters each time, so it changes a little but stays recognizable. It’s an interesting idea, and it only works when the rules underneath are very clear. Most SaaS and AI products don’t need it. They need the basics above, applied everywhere.

If you’re wondering what an identity system costs, we cover that in What a brand identity actually costs. If you want one for your product, send your brief.

• Identity
• Systems
• Generative