FreshEyes

FreshEyes provides a simple color filtering overlay to raise the saturation of colors as well as slightly shift their hues in order to make them more distinct for individuals with color vision deficiencies like deuteranomaly, protanomaly, tritanomaly, etc.

Hue Rotate - Rotates all hues 180 degrees
Red Channel - Increases only reds in Red Channel
Red (All Channels) - Increases reds in ALL (RGB) channels
True Color - Enhances and saturates Reds
True Color (Green) - True Color with Green adjusted
True Color (Desaturate) - True Color with some desaturation
True Color (Neutral) - Enhances and saturates all colors

Note: We do not purport to resolve all issues with color vision deficiencies. We are not claiming to improve accessibility of given web pages, only providing a way to view them with a new perspective in the hopes that it can potentially aid users with color deficient vision in some way.