|Start with one hex code color. Make a chart of 5 across and 4 down, ending up with the hex code color that is the reverse.|
|Starting Codes||Ending Codes|
|f33333 - Red||3fffff - Cyan|
|33f333 - Green||ff3fff - Magenta|
|f3f333 - Yellow||3f3fff - Blue|
|3333f3 - Blue||ffff3f - Yellow|
Try choosing one hex code color and then play with it in a table such as the above and see what interesting effects you get when you reverse the order of the numbers and letters.
Here are two great color isolator tools from
Tandem Tooters and U-L-T-R-A.
Enter the url of an image there, click on the color you want, and these tools will give you the hex codes for: that color, its inverse or opposite color, and its reverse color, plus the RGB number code.