Hit the URL https://www.odata.org/ and login with appropriate credentials to open OData website
Tab till 'Developers' link and press enter
Tab till 'Documentation' option and press enter
Tab till "OData version 3.0" link and press enter
Tab till "OData Version 3.0 Core Protocol" link and press enter
Observe whether luminosity ratio is less or not on the light green alert box.
Fix
Make the background color of the alert box darker green
Change the text color and the link color to black.
Change the border color of the alert box to grey
Repro:
Fix Make the background color of the alert box darker green Change the text color and the link color to black. Change the border color of the alert box to grey