Great tool for checking color contrast for both text and images of text.See the website
Description
Analyze a web page or portion of a web page for conformance with WCAG 2.0 Color Contrast requirements. The Color Contrast Analyzer chrome extension is great for checking color contrast for both text and images of text. It offers the possibility to scan for two levels (AA and AAA) of ARIA requirements. The extension applies a mask and highlights only the parts of the UI which fulfill the color contrast.
Related tools (Accessibility Testing)
Accessibility engine for automated Web UI testing
An annual accessibility analysis of the top 1,000,000 home pages
Educating customers on web-accessibility overlays.
A CSS stylesheet to quickly highlight a11y concerns.