8bitdash - Animated 8-bit browser home screens
Brand Colors - A color collection available in sass, less, stylus and css
8Bit Dashboard - Simple Customizable 8 Bit Animated Dashboard
Hex Invaders - Learn how hex color-codes work, save the world
Hex Clock - Telling the time and the corresponding hex color.
The Colour Clock - Representing time as a hexidecimal colour value and available with downloadable screensaver.