A few hours ago, when checking my mail tab, i noticed the colors were slightly off. The blue was a bit bluer, the text that was black was now white. It’s as though someone was messing with the css. Turns out they were!

A few minutes later i relaoded the page, and saw a message up at the top:

There’s some pretty cool ones available, totalling about 35.  You can see thumbnails of the schemes here.

After looking at the same interface for the better part of 4 years, it’s pretty amazing to see some of the options available:

Not all the themes are are so graphically based, most are simply color modifications to the original.  At the time I wrote this, google has not placed an official post on their gmail blog. Check out their official post, laiden with examples.

It’s also worth noting that at this time, it does not appear to be an option for my google apps based gmail account.

Though expansion of features is overdue in the perpetually Beta Gmail, it is a great to get - and hey, it’s still free.