A rusty rose color that is usually tinted to a darkness of 50%. It has been found useful to reduce eyestrain, tension headaches and migraine. It is thought that the flickering blue light of much indoor lighting is a trigger for these complaints. This filter blocks about 80% of that component. 

Tinted demonstration lenses of this color are available as Product Code 80919.

California residents: click link to product SDS and check Section 15 for California Proposition 65 warnings.