To see how any two colors will look together:

Click on a color in the table to set it as the color in the box.
Then mouse over another color to set it as the background color of the page.
Click on the box to make the border disappear. Doubleclick to make it reappear.
A tooltip shows the hex code for the colors in the table.

Aqua Black Blue Fuchsia
Gray Green Lime Maroon
Navy Olive Purple Red
Silver Teal Yellow White