Kilotest: Diagnoses of text contrast not testable violation by HTML element 239 on Run! page

Basics

Tag name: IMG
Text: [not applicable]
Start tag: <img alt="Slide 1" fetchpriority="high" width="1200" height="750" decoding="async" data-nimg="1" style="color:transparent;width:100%;height:auto;display:block" sizes="(max-width: 768px) 100vw, 50vw" srcset="/_next/image?url=%2Fimg%2Fhero-featured-sites%2Fmallory-mcmorrow-hi-res.jpg&w=384&q=85 384w, /_next/image?url=%2Fimg%2Fhero-featured-sites%2Fmallory-mcmorrow-hi-res.jpg&w=640&q=85 640w, /_next/image?url=%2Fimg%2Fhero-featured-sites%2Fmallory-mcmorrow-hi-res.jpg&w=750&q=85 750w, /_next/image?url=%2Fimg%2Fhero-featured-sites%2Fmallory-mcmorrow-hi-res.jpg&w=828&q=85 828w, /_next/image?url=%2Fimg%2Fhero-featured-sites%2Fmallory-mcmorrow-hi-res.jpg&w=1080&q=85 1080w, /_next/image?url=%2Fimg%2Fhero-featured-sites%2Fmallory-mcmorrow-hi-res.jpg&w=1200&q=85 1200w, /_next/image?url=%2Fimg%2Fhero-featured-sites%2Fmallory-mcmorrow-hi-res.jpg&w=1920&q=85 1920w, /_next/image?url=%2Fimg%2Fhero-featured-sites%2Fmallory-mcmorrow-hi-res.jpg&w=2048&q=85 2048w, /_next/image?url=%2Fimg%2Fhero-featured-sites%2Fmallory-mcmorrow-hi-res.jpg&w=3840&q=85 3840w" src="/_next/image?url=%2Fimg%2Fhero-featured-sites%2Fmallory-mcmorrow-hi-res.jpg&w=3840&q=85">
XPath: /html/body/div[1]/div[1]/div[1]/div[2]/div[1]/div[1]/div[1]/div[1]/a[1]/div[2]/img[1]
Bounding box: x = 154, y = 288, width = 768, height = 498

Here is how tools diagnose the text contrast not testable issue for HTML element 239 of the Run! page.

Check that this element has an inherited background colour or image to complement the corresponding inline foreground colour.
Tool: HTML CodeSniffer (Squiz Labs)

Rule: W-WCAG2AAA.Principle1.Guideline1_4.1_4_3_F24.F24.FGColour