Check out contrast of circling text on various backgrounds for presentations.

Color Circles test

Location: http://www.mvps.org/dmcritchie/firefox/colorcircles.htm
Home page: http://www.mvps.org/dmcritchie/firefox/firefox.htm
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Color Testing

  000000  FF0000 FF8800  FF6600 008800  00CC00 FF00FF  FFFF00 0000EE CC0000
 FFFFFF   Text O   Text O   Text O   Text O   Text O   Text O   Text O   Text O   Text O   Text O
 FFFEF4   Text O   Text O   Text O   Text O   Text O   Text O   Text O   Text O   Text O   Text O
 D4D0C8   Text O   Text O   Text O   Text O   Text O   Text O   Text O   Text O   Text O   Text O
 949494    Text O   Text O   Text O   Text O   Text O   Text O   Text O   Text O   Text O   Text O
 A8CAF0   Text O   Text O   Text O   Text O   Text O   Text O   Text O   Text O   Text O   Text O
 DCFFDC   Text O   Text O   Text O   Text O   Text O   Text O   Text O   Text O   Text O   Text O

The table above was created from an Excel speadsheet table for testing by Colour Contrast Analyser which it turns out does not analize table cells.

Example


Add Bookmark, Ctrl+D, extended by OpenBook with Options.
Description filled in from META data.
Keyword filled in manually
Dropdown on left for latest (MRU) bookmark folders added to.
Dropdown on right ability to select any bookmark folder.
Dialog box widened due to userChrome.css change.
Also see Extensions (below) for keyword w/o ext.
Only one color was used for this example can be seen on bookmarks.htm page.  Had two colors been used so that both dropdowns were used there might be some difficulty in choosing the second color.  This is where the use of the "" extension would be helpful to test accessibility considerations of colors.

The image background, circle, and underscoring
____ #D4D0C7 image background
____ #EC1010 color circling
____ #E80701 color underscoring

The image was created with the use of SnagIT® Screen Capture and Image Editing software.

The size of the image can be tested by checking the properties of the image, as long as it is not used from the local hard drive.

Bookmarklets;  There are a lot of links on this page.  The following BookMarklets (Favelets) will distinguish between internal or external links.  First click on "highlight links",  and then on "int/ext links".  Your browser's Reset button (F5) will reload the original unmodified web page. 
This page was introduced on xxxxxxx DD, 2007. 
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