The Ubuntu manpages website appears to be the first “ubuntu.com” website to reveal the new branding which was announced a few weeks ago during the Lucid development cycle.
You can see the rest of the proposed branding here and here.
Keep an eye on http://www.ubuntu.com as it will undoubtedly change to the new look when Ubuntu 10.04 is released in a couple of hours. 
Article originally appeared on omgubuntu.co.uk
artwork branding lucid lucidrelease