Microsoft has embedded Easter eggs in its Xbox E3 countdown videos that combine to form the RGB code for Scarlett, the codename for the next generation of Xbox consoles. Microsoft is expected to talk about Scarlett and also reveal 14 first-party games for the Xbox along with new developments on Windows 10 gaming and Project xCloud.
https://www.notebookcheck.net/Easter-eggs-more-or-less-confirm-reveal-of-Xbox-Scarlett-consoles-at-E3.423646.0.html