Despite all the matching my industry does, I'm here to tell you that YOU DON'T HAVE TO CHOOSE. Sure, you need a basic palette for your fonts and logos so that people don't go abusing them, but please let your designer (I hope I'm talking about me) burst the bubble. We know how to do it smartly. A great way to add a splash of color to your website is to add an option for rotating headers. These are meant to catch the eye and should be different from your standard set of colors.
Standards are different than the same old. Here are some homepage headers I created for a website with blue and gray as the standard:
I wonder what the user's eye goes straight for?