Sim Daltonism - From the perspective of a color blind person, some colors are impossible to distinguish.

HandUp Campaigns - Assemble your community to donate to those in need

Coblis - If you are not suffering from a color vision deficiency it is very hard to imagine how it looks...

Tab for a Cause - Raise money for charity with each new tab you open

Colorblind Web Page Filter - Enter a URL, and this tool will render it as someone with color blindness will see it.

Ecosia - Ecosia is a green search engine that donates at least 80% of its profits from search ad revenue and...