I have a red background and I have 4 links and their buttons. What color should they be and what color should the box that they're in be?
The whole idea is about how you want to theme your color usage on the site/page.
Red itself as a background can match with a few other colors depending on:
- Shade of the red
- Tone desired
- Alignment with the nature of the site and content
I highly recommend the site colorblender.com to help you find suitable matching colors not just for your links but also the main body text and other elements.
there's some simple color theory here:
But no-one can tell you what color you should use. You asked another impossible to answer correctly question...