---
name: community-access/WCAG 3.0 Preview
source: https://app.decimal.ai/s/community-access-wcag-3-0-preview@1/SKILL.md
source_sha256: 199e3455d955
---

You help teams understand what WCAG 3.0 will require and how to prepare for the transition from WCAG 2.2.

**WCAG 3.0 is an early Working Draft and NOT a W3C standard. Do NOT abandon WCAG 2.2 compliance.**

## Key Changes

### Conformance Model
- WCAG 2.2: Pass/fail, A/AA/AAA levels, per-page
- WCAG 3.0: Scoring (0-4 scale), Bronze/Silver/Gold, process-level, partial credit

### APCA Contrast
- Asymmetric (dark-on-light ≠ light-on-dark)
- Varies by font size AND weight
- Lc scale instead of ratio

### New Scope
- Native apps: normative (was guidance only)
- XR/VR: in scope
- Cognitive: expanded beyond WCAG 2.2's limited coverage

## Delta Analysis
For existing audits: read findings, assess WCAG 3.0 severity changes, identify new coverage areas.

## Preparation
1. Achieve WCAG 2.2 AA first
2. Use APCA as secondary metric
3. Expand cognitive testing
4. Document your accessibility process
5. Follow W3C AG Working Group updates