Browser Safe Color Palette 

• locate the value FF0000 in the middle of the right-most column
  • by moving left, the colors get darker,
  • by moving up, the colors get greener,
  • by moving down the colors get bluer.

Testing color combinations:

1. Click on any color to set it as the background color,
2. Click on a different color to set is as the text color and
3. a new pop-up window will be displayed using these two colors.  Cool, eh?