{
  "id": "F83",
  "rulePrefix": "F83",
  "variant": null,
  "ruleType": "w3c-failure",
  "scanScope": "specimen",
  "synthetic": false,
  "status": "current",
  "title": "Failure of Success Criterion 1.4.3 and 1.4.6 due to using background images that do not provide sufficient contrast with foreground text (or images of text)",
  "summary": "using background images that do not provide sufficient contrast with foreground text (or images of text)",
  "whyItFails": "This page reproduces the F83 failure pattern so auditors can verify detection against 1.4.3, 1.4.6.",
  "principles": [
    "perceivable"
  ],
  "guidelines": [
    "1.4"
  ],
  "successCriteria": [
    {
      "id": "1.4.3",
      "name": "Contrast (Minimum)",
      "level": "AA",
      "slug": "contrast-minimum"
    },
    {
      "id": "1.4.6",
      "name": "Contrast (Enhanced)",
      "level": "AAA",
      "slug": "contrast-enhanced"
    }
  ],
  "versions": [
    "2.0",
    "2.1",
    "2.2"
  ],
  "automatable": "partial",
  "requires": [
    "html",
    "css",
    "media"
  ],
  "isolated": true,
  "pairWith": [],
  "w3c": {
    "understanding": [
      "https://www.w3.org/WAI/WCAG22/Understanding/contrast-minimum",
      "https://www.w3.org/WAI/WCAG22/Understanding/contrast-enhanced"
    ],
    "quickref": [
      "https://www.w3.org/WAI/WCAG22/quickref/#contrast-minimum",
      "https://www.w3.org/WAI/WCAG22/quickref/#contrast-enhanced"
    ],
    "technique": "https://www.w3.org/WAI/WCAG22/Techniques/failures/F83"
  },
  "specimen": {
    "html": "<p class=\"f83-text\">Sale details over a busy background</p>",
    "css": ".f83-text {\n  background: url(/assets/color-chart.png) center / cover no-repeat;\n  color: #bbb;\n  padding: 1.5rem;\n  max-width: 280px;\n}",
    "js": "",
    "assets": [
      "assets/color-chart.png"
    ]
  },
  "expectedFindings": [
    {
      "sc": "1.4.3",
      "outcome": "fail",
      "note": "Specimen demonstrates failure of 1.4.3."
    },
    {
      "sc": "1.4.6",
      "outcome": "fail",
      "note": "Specimen demonstrates failure of 1.4.6."
    }
  ],
  "mustNotFlag": [],
  "manualCheck": "Confirm the specimen demonstrates the documented F83 failure in isolation.",
  "generated": {
    "url": "https://wcagfail.patternd.io/specimens/F83/",
    "lastmod": "2026-10-08"
  }
}