We have just released the first update to Huedoku on the app store.
Your Visual Perceptive system is the most complex of all the senses. In fact, so complex it is divided up into two distinct systems as different as hearing is from taste.
From Rods and Cones in the eyes all the way through the nervous system, luminance and hue travel different paths and serve different purposes. We would love your feedback on how far we should push down this rabbit hole.