Text Contrast (User Need 3.1.2)

[allanj-uaag]

increase level to AA and reword
edits enclosed in @@
1.4.8 Visual Presentation: For the visual presentation of blocks of text, a mechanism is available to achieve the following: (Level AAA) @@(Level AA)@@

1. Foreground and background colors @@(from the full range of colors available on the system)@@ can be selected by the user.

[allanj-uaag]

For the visual presentation of blocks of text, a mechanism is available so they user can select foreground and background colors from the full range of colors available on the system. (Level AA)