Result Rankings: Thumbnail icon color needs to meet WCAG 2 AA contrast ratio thresholds

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.2.X, Master
• Fix Version/s: 7.2.X, Master
• Component/s: Search Infrastructure
• Labels:
  • sme-must-7.2
• Branch Version/s:
  7.2.x
• Backported to Branch:
  Committed
• Story Points: 2
• Epic Link: Search Tuning: Result Rankings (Phase 2)
• Sprint: Search | S03 Sprint 7, Search | S03 Sprint 8
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/81023

Accessibility concern with the red, purple, blue colors in thumbnail icon on the original design.

Message: "Ensures the contrast between foreground and background colors meets WCAG 2 AA contrast ratio thresholds"

Relevant doc: https://dequeuniversity.com/rules/axe/3.3/color-contrast?application=axeAPI