About 10% of men and 1% of women have color deficiencies, most frequently an inability to distinguish red from green. If you aren’t color blind, you can see what the world would look like if you were, here. You can also download a free tool from this site to see how your images will appear to those in your audience who are color blind.

And if you are color blind, you may be interested in learning more about Daltonization, which uses specific techniques to make images distinguishable to those who are color blind. The examples are interesting, not only for their content, but for the realizations they bring about what it means to be color blind. We were especially struck by what color blindness might mean for scientists needing to interpret data from colored displays such as dyes, flouresence and computer-generated images. You’ll also find an online engine you can run to Daltonize your own images.