There are a few things you can do to darken the outlook list groupings headers on your website.

  1. Use a color scheme that is complementary to your site’s colors. This will help to make the header more visible and easy to read.
  2. Use fonts that are complementary to your site’s font style. This will help to make the header more visible and easy to read.
  3. Use images that are complementary to your site’s image style. This will help to make the header more visible and easy to read.

Here’s the default view, notice how your eyes just brush right over the “Yesterday” without really noticing it.

To change this setting, go to View \ Current View \ Customize Current View and then click the “Other Settings” button.

In this dialog you’ll find the “Shade group headings” option, which you’ll need to check. Note that this is a global setting across all views, not just the current one.

The change should be instant, you will now see the darkened group headings.

 

I find this much easier to work with than the default setting, although it’s not quite as “pretty”.

Note: For Outlook 2003, you’ll need to use View > Arrange By > Current View > Customize View: Messages. Thanks Jon!