How to install bookmarklets
Drag & Drop one of the links under the Simulate and Daltonize sections (below) into your Bookmarks menu or Toolbar, or click on them to preview the results.

You're now ready to filter any webpage!
References
  1. Françoise Viénot, Hans Brettel and John D. Mollon
    Digital video colourmaps for checking the legibility of displays by dichromats
    Color Research and Application, 24(4): 243-252
    , 1999.

  2. Onur Fidaner, Poliang Lin and Nevran Ozguven.
    Analysis of Color Blindness

  3. Gary W. Meyer and Donald P. Greenberg
    Color-Defective Vision and Computer Graphics Displays
    IEEE Computer Graphics and Applications, 8(5): 28-40, 1988.

  4. Vivianne C. Smith and Joel Pokorny
    Spectral sensitivity of the foveal cone photopigments between 400 and 500 nm
    Vision Research, 15(2): 161-171, 1975.  

  5. Bruce Lindbloom
    RGB Working Space Information

  6. Les Daltoniens
    Le test d’Ishihara