F81: Failure of Success Criterion 1.4.1 due to identifying required or error fields using color differences only

Corpus WCAG 2.2Applies to WCAG 2.0, 2.1, 2.2Level AAutomatable: partial

Summary: identifying required or error fields using color differences only

Why it fails: This page reproduces the F81 failure pattern so auditors can verify detection against 1.4.1, 1.3.1, 3.3.1, 4.1.2.


Failure technique

Understanding

Quickref

Intentional failure — audit this region

F81

<form>
  <label for="f81-email">Email <span class="f81-req">*</span></label>
  <input type="email" id="f81-email" name="email">
  <button type="submit">Register</button>
</form>
Expected audit result

Manual check: Confirm the specimen demonstrates the documented F81 failure in isolation.