Evolution of human colour vision as 'visual purple' receptor proteins, are encoded by Rh1, OPN2 and RHO genes. They are characterized by extreme sensitivity to light and enable monochromatic human vision in low light or dim conditions. They are broken down into retinal and opsin when exposed to these conditions. Humans have 3 types of photopsin proteins found in the cone cells. Long Wavelength Sensitive Opsin (Red cone opsin) – Encoded by the OPN1LW gene with a λmax of 560 that is found in the yellow-green electromagnetic spectrum despite its name. Its sensitivity to the colour red is still known to be higher than the
Blue Is the Warmest Colour US Blu-ray/DVD sales alone). On review aggregation website Rotten Tomatoes the film has an approval rating of 90% based on 175 reviews with a weighted average of 8.2/10. The site's critical consensus is: "Raw, honest, powerfully acted, and deliciously intense, "Blue Is the Warmest Colour" offers some of modern cinema's most elegantly composed, emotionally absorbing drama." On Metacritic, which assigns a normalised rating out of 100 based on reviews from mainstream critics, the film has a score of 88 averaged from 41 reviews, indicating "universal acclaim". More than 40 critics named the film as one of the ten best of