Kilotest: Diagnoses of text contrast improvable violation by HTML element 620 on Clean Air Task Force (CATF) page

Basics

About the page

• URL: https://www.catf.us/
• Tested 3 days ago on 2026-10-07 at 19:52 by job 261007T1941-eso
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 12
  • Violations: 697
  • Violators: 328
  • Issues: 52
• Download the full technical report (JSON)

About the issue

• Why it matters: Content is not easy to understand
• Priority: lowest
• Related WCAG standard: 1.4.6
• Reported by 5 rule engines (Alfa + Axe + Pour + QualWeb + SureA11y)
• Violations: 12
• Violators: 4

About the violator

• Tag name: P
• Text: © Copyright 2026 Clean Air Task Force, Inc. All Rights Reserved. Cookie Information | Privacy Policy
• Start tag: <p class="has-para-small-font-size">
• XPath: /html/body/footer[1]/div[2]/div[1]/div[1]/div[1]/div[1]/p[1]
• Bounding box: x = 86, y = 7880, width = 756, height = 20
• Reported by Alfa + Axe + Pour + QualWeb + SureA11y

Diagnoses

Here is how rule engines diagnose the text contrast improvable issue for HTML element 620 of the Clean Air Task Force (CATF) page.

1. The highest possible contrast of the text is 6.82:1 which is below the required contrast of 7:1

   Rule engine: Alfa (Siteimprove)

   Rule: r66

2. The highest possible contrast of the text is 6.82:1 which is below the required contrast of 7:1

   Rule engine: Alfa (Siteimprove)

   Rule: r66

3. Elements must meet enhanced color contrast ratio thresholds; Element has insufficient color contrast of 6.8 (foreground color: #b9c1d4, background color: #153171, font size: 12.7pt (16.96px), font weight: normal). Expected contrast ratio of 7:1

   Rule engine: Axe (Deque)

   Rule: color-contrast-enhanced

4. Text must have enhanced contrast against its background (AAA)

   Rule engine: Pour (David Yarham and Geoffrey Crofte)

   Rule: color-contrast-enhanced

5. [failed] Element has contrast ratio lower than minimum.

   Rule engine: QualWeb (University of Lisbon)

   Rule: QW-ACT-R76

6. Element has insufficient color contrast (AAA) of 6.81:1 (foreground: #b9c1d4, background: #153171, font size: 16.96px, font weight: normal). Expected contrast ratio of 7:1 (normal text).

   Rule engine: SureA11y (Jorge Rumoroso)

   Rule: contrast-enhanced