• Colour Contrast Analyser 1.1
  This tiny (319 kb) tool sits on your desktop, not only a perfect tool for checking foreground & background colour combinations to ensure that they provide good colour visibility, it now has sliders so that creating colour schemes is as easy as pie.
  Tools - Colour Contrast Analyser 1.1 - WAT-C [Web Accessibility Tools Consortium]
  accessibility consortium tools web
  in Internet > Web creation > Design with accessibility colour colourcontrast webcolour webdesign

colourcontrast from all users