brand-design

brand-design is a skill for Claude Code, Codex from duyet/oma. It costs 96 tokens per session (1,175 once invoked), scanned A, original, Apache-2.0.

A guide to making pages, reports, slides, and other materials look intentional through consistent colors, fonts, spacing, and reusable design settings. It also covers readable contrast and accessible use of color.

In plain words
What is it for?
Use it to choose or apply brand colors and fonts, define design tokens, style an artifact, and check contrast and visual consistency.
Why use it?
It prevents inconsistent one-off styling, poor readability, and designs that rely on color in ways some users cannot distinguish.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/duyet/oma/brand-design
Any agent
npx skills add duyet/oma --skill brand-design
Clone the repo
git clone --depth 1 https://github.com/duyet/oma

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for brand-design

README.md
[![agentmods](https://agentmods.dev/badge/skills/duyet/oma/brand-design.svg)](https://agentmods.dev/skills/duyet/oma/brand-design)
Your own site
<a href="https://agentmods.dev/skills/duyet/oma/brand-design"><img src="https://agentmods.dev/badge/skills/duyet/oma/brand-design.svg" alt="Measured on agentmods" height="20"></a>
Per session 96 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,175 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00096 $0.01175
Opus 5 $0.00048 $0.00588
Sonnet 5 $0.00019 $0.00235
Haiku 4.5 $0.00010 $0.00118

Measured 6d ago against content hash ecc76a9c49e1, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

brand-design scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 6d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

examples/skills/brand-design/SKILL.md · 84 lines

How it starts

The opening of the file, as written. The whole thing — 84 lines — stays where its author put it; the contents beside it link to each section on GitHub.

brand-design

Design that reads as intentional comes from a small set of decisions applied consistently, not from many one-off choices. Define a handful of tokens — colors, type sizes, spacing steps — up front, then reference them everywhere. If the user gave you brand colors/fonts, use those; otherwise pick a restrained set and commit to it. tokens.json is a ready-to-edit starting set.

Color: few roles, enough contrast

  • A small palette beats a rainbow. Two or three neutrals (background, surface, text), one brand/accent, plus semantic red/amber/green for states. More colors read as noise, not richness.
  • Think in roles, not hex. Name tokens by job — --color-bg, --color-text, --color-accent — so the same design works in light and dark by swapping values, not rewriting components.
  • Contrast is non-negotiable. Body text must hit WCAG AA ≥ 4.5:1 against its background (≥ 3:1 for large/heading text and UI borders). Light-gray text on white fails — check it. Never rely on color alone to carry meaning (add an icon, label, or shape) for colorblind users.
  • Accent sparingly. The accent marks the one thing you want clicked or read first. If everything is accented, nothing is.

Typography: one or two families, a real scale

  • One typeface does most jobs. A single good sans (or a sans-for-UI + serif-for-body pair) is plenty. Pairing three fonts usually looks worse, not richer. System stacks (system-ui, sans-serif) are free, fast, and safe.
  • Use a modular scale, not arbitrary px. Step by a ratio (~1.25) so sizes relate: e.g. 12 · 14 · 16 · 20 · 25 · 31 · 39. Body around 16px; don't go below 14px for anything meant to be read.
  • Weight and size make hierarchy — heading vs body should be obvious at a glance. Two or three weights (e.g. 400/600/700) is enough.
  • Line length and height. Aim for ~60–75 characters per line (max-width: ~65ch) and line-height ~1.5 for body, tighter (~1.2) for large headings. Long full-width lines are the most common readability killer.

Read the full file on GitHub · 84 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 6d ago First seen · 84 lines · 96 tokens per session scan A ecc76a9c49e1

Subscribe to this mod's changes

brand-design is a skill published in the GitHub repository duyet/oma (5 stars, last pushed 2d ago), licensed Apache-2.0. It adds 96 tokens to every session and 1,175 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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