Click to advance colour
Click on the coloured square to advance to the next colour.
Use Periodic boundaries
Using the clickable button to choose the colour of the square you wish to add, and enter the co-ordinates of the position you would like to place it. Use "Reset" to start again.
Creates a savable and printable full size image in a new window. You can also right-click on the image.
Interval in milliseconds:
Larger sizes will run more slowly:
(c) John Whitehouse 2010 - 2020