RGBlind for Opera

Life with color blindness of CVD (short for color vision deficiency) can prove to be undoubtedly more difficult for those who suffer from it. With more and more people gaining Internet access with every passing year, there's a valid reason for making websites as color blind-friendly as possible.

Enter RGBlind, a super-handy cross-browser extension that allows web developers and designers to see how their websites are perceived through the eyes of people suffering from two of the most common color blindness forms, namely Protanopia and Deuteranopia.

To start off with, we will point out that the Opera version of the extension can be installed with the least amount of hassle, with just a simple mouse click from the Opera Add-ons store and, the same goes for the Chrome and Firefox versions, naturally, from their particular stores.

The extension itself is quite straightforward. Simply click its icon, from the right side of the address bar, and you are met by a compact UI which allows you to switch between three vision modes, namely "Normal vision," "Protanopia," and "Deuteranopia."

It's important to note that the extension is only capable of adding filters to the page you are currently visiting. This means that each time you open a new tab and load a new webpage, you will manually need to enable one of the extension's modes. Quite conveniently, the applied filters remain "in place" while you open or navigate through other tabs.

To conclude, RGBlind is a very useful tool for developers or other types of professionals that want to make sure that their websites are as friendly as possible for color blind visitors.

Sure, it would have been great if the extension would have support for all types of color blindness (Tritanopia and Achromatopsia, for instance) but, considering that it takes the two most popular into account, it's  surely off to a good start.