Colour blindness simulator

Question

Like any responsible developer, I\'d like to make sure that the sites I produce are accessible to the widest possible audience, and that includes the significant fraction of

Answer 1

A great paper that explains a conversion that preserves color differences is:

Detail Preserving Reproduction of color images for Monochromats and Dichromats.(PDF)

I haven't implemented the filter, but I plan to when I have some more free time.