jdesignera,
Sorry that you are seeing problem with the hyperlink color. We have already fixed the issue with dark blue hyperlinks in Javadoc hover in one of our previous releases.
Can you please make sure you are working with the latest Dark Darkest version? Go to Help > Webclipse > Check for Updates and update to the latest 2017 CI 7.
If you are still seeing issues, please share with us a screenshot of the problem along with your OS and version details to help us investigate further. Also share with us the Eclipse Version and Build Id details from Help > About Eclipse section.
Apologies for inconvenience caused.
–Swapna
MyEclipse Support