Kilotest: Diagnoses of text contrast improvable violation by HTML element 764 on Sightline Institute page

Here is how tools diagnose the text contrast improvable issue for HTML element 764 of the Sightline Institute page.

Basics

• About the text contrast improvable issue
  • Why it matters: Content is not easy to understand
  • Priority: lowest
  • Related WCAG standard: 1.4.6
• About the Sightline Institute page
  • URL: https://www.sightline.org/
  • Tested on 2026-04-03 at 04:04
• About HTML element 764
  • Take me there
  • Tag name: A
  • Text: Learn more
  • Start tag: <a class="gb-button gb-button-edd09e74 gb-button-text BlueButton" href="/seattle-a-model-for-low-sprawl-urban-growth/">
  • XPath: [not obtained]
  • Bounding box: x = 40, y = 2893, width = 135, height = 44

Diagnoses

1. Elements must meet enhanced color contrast ratio thresholds; Element's background color could not be determined due to a pseudo element

   Tool: Axe (Deque)

   Rule: color-contrast-enhanced

2. This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 7:1, but text in this element has a contrast ratio of 4.43:1. Recommendation: change background to #315d79.

   Tool: HTML CodeSniffer (Squiz Labs)

   Rule: E-WCAG2AAA.Principle1.Guideline1_4.1_4_6.G17.Fail

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

   Tool: QualWeb (University of Lisbon)

   Rule: QW-ACT-R76

4. This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 7:1, but text in this element has a contrast ratio of 4.43:1. Recommendation: change background to #315d79.

   Tool: WallyAX (Wally)