docs-creating-accessible-diagrams

docs-creating-accessible-diagrams is a skill for Claude Code, Codex from wahidyankf/ose-public. It costs 41 tokens per session (767 once invoked), scanned A, original, MIT.

A guide to making Mermaid diagrams and other color-based visuals accessible to people with color blindness. It covers color choices, contrast, and ways to avoid using color as the only signal.

In plain words
What is it for?
Use it when creating flowcharts, diagrams, documentation visuals, or interface components where color carries meaning.
Why use it?
It helps prevent diagrams that are difficult to read or that hide important information from people with color-vision differences. It also supports meeting WCAG AA accessibility guidance, which is a set of web accessibility rules.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents).

Good fit Use it when creating flowcharts, diagrams, documentation visuals, or interface components where color carries meaning.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/wahidyankf/ose-public/docs-creating-accessible-diagrams
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.

Any agent
npx skills add wahidyankf/ose-public --skill docs-creating-accessible-diagrams
Clone the repo
git clone --depth 1 https://github.com/wahidyankf/ose-public

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 docs-creating-accessible-diagrams

README.md
[![agentmods](https://agentmods.dev/badge/skills/wahidyankf/ose-public/docs-creating-accessible-diagrams/github.svg)](https://agentmods.dev/skills/wahidyankf/ose-public/docs-creating-accessible-diagrams)
Your own site
<a href="https://agentmods.dev/skills/wahidyankf/ose-public/docs-creating-accessible-diagrams"><img src="https://agentmods.dev/badge/skills/wahidyankf/ose-public/docs-creating-accessible-diagrams/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for docs-creating-accessible-diagrams

Your own site · 80×15
<a href="https://agentmods.dev/skills/wahidyankf/ose-public/docs-creating-accessible-diagrams"><img src="https://agentmods.dev/badge/skills/wahidyankf/ose-public/docs-creating-accessible-diagrams.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 41 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 767 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 $0.00041 $0.00767
Opus 5.5 $0.00016 $0.00307
Sonnet 5.5 $0.00008 $0.00153
Haiku 4.5 $0.00004 $0.00077

Measured 2d ago against content hash e8647a7ea90d, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

docs-creating-accessible-diagrams 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 2d 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.

.agents/skills/docs-creating-accessible-diagrams/SKILL.md · 73 lines

How it starts

The opening of the file, as written. The whole thing — 73 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Color Accessibility for Diagrams

This Skill provides guidance on creating accessible Mermaid diagrams using a verified color-blind friendly palette that meets WCAG AA standards. Use this when creating visual diagrams to ensure accessibility for all users, including those with color blindness (~300 million people worldwide).

Purpose

Use this Skill when:

  • Creating Mermaid diagrams, flowcharts, or visualizations
  • Working with color-dependent visual content
  • Need to ensure WCAG compliance for diagrams
  • Supporting users with color blindness (protanopia, deuteranopia, tritanopia)
  • Choosing colors for documentation, diagrams, or UI components

Color Palette and Colors to Avoid

See Color Palette and Colors to Avoid for the full 8-color verified WCAG AA palette with hex codes and use cases, plus the colors that must never carry information (red, green, yellow, pink, magenta).

Core Accessibility Principles

See Core Accessibility Principles for the four principles — never rely on color alone, use color as enhancement, maintain WCAG AA contrast, and test for color blindness before publishing.

Mermaid Diagram Best Practices

See Mermaid Best Practices for the standard accessible Mermaid template, the ten essential Mermaid rules, comment syntax, and the special-character escaping table for node text and edge labels.

Common Mistakes and Testing Tools

See Common Mistakes and Testing Tools for the six most common accessibility mistakes with fixes, plus color blindness simulators and contrast checkers to verify diagrams before publishing.

Integration with Repository Conventions

This Skill integrates with:

Read the full file on GitHub · 73 lines

Files

What ships with it

7 files 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. 2d ago First seen · 73 lines · 41 tokens per session scan A e8647a7ea90d

Subscribe to this mod's changes

docs-creating-accessible-diagrams is a skill published in the GitHub repository wahidyankf/ose-public (12 stars, last pushed today), licensed MIT. It adds 41 tokens to every session and 767 once invoked, about $0.0002 per session on Opus 5.5. 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 2026-10-14.

Related

Other skills, from other repositories

magic-ui

Use this skill when users want to add, customize, or troubleshoot Magic UI components in React/Next.js projects. It covers component selection, shadcn registry installation (@magicui/), integration patterns, and practical quality checks for accessibility and maintainability.

magicuidesign/magicui · 56 tokens

building-canvases

Create or edit a PostHog freeform canvas — a sandboxed browser application (data board, document, form, small tool, graphics experiment) stored in PostHog and rendered by the desktop/web app. Use when a task asks to build, generate, update, or fix a standalone canvas app, or when a freeform canvas id is given as the…

PostHog/posthog · 148 tokens

nx-plugin-for-aws

Scaffold and build cloud-native applications on AWS using @aws/nx-plugin generators. Use when the user wants to create workspaces, generate projects, or scaffold infrastructure with the Nx Plugin for AWS.

awslabs/nx-plugin-for-aws · 46 tokens

visualizing-change-over-time

Helps PostHog engineers and agents pick the right chart when a request is about visualizing change over time, before/after comparisons, or period-over-period movement while building UI with @posthog/quill-charts (dashboards, reports, the mcpanalytics frontend, custom visualizations). Use when a user asks how something…

PostHog/posthog · 169 tokens

opengeni-visualize

Create visualizations and interactive tools directly in conversation. Use when the user asks to see how something works, explore 'what happens when' or 'what changes', compare or inspect, or wants a simulation, map, chart, graph, or mockup, or when a visual clearly explains better than text. Use standard tools for…

Cloudgeni-ai/opengeni · 76 tokens

quill-code

Edit the @posthog/quill design system locally and consume the change in products/desktop before it is published to npm. Use when changing quill components/primitives/tokens, when a quill change must be tested inside the Code app, or when the user mentions quill, the design system, the .local-quill tarball, or the…

PostHog/posthog · 84 tokens