A Chrome Extension that shows you the current color in hexidecimal in new tabs, a la: http://whatcolourisit.scn9a.org/
Install Here: https://chrome.google.com/webstore/detail/what-color-is-it/oagpkmfhmcedhdkeemjdgmhchccbebdj
Original idea and website by J.E.Murphy - http://jemurphy.org/
Chrome Extension by Jonic Linley - http://100yen.co.uk/
Also available as a god damn screensaver for your fancy Apple brand personal computer: https://github.com/Jonic/WhatColourIsIt-ScreenSaver