Test your eye for colour in HexaGuessimal, the quiz that tests how well you can pinpoint a colour on your screen.
A simple quiz, but hard to master, pick the colour code that matches the colour shown in the square.
Featuring 5 increasing difficulty levels, you can challenge yourself as you improve your skill.
Do all the codes look like random gibberish? Hexaguessimal comes with a short tutorial explaining computer colour and how hexadecimal colour codes are used to show colour.