Everyone knows that most animals are color blind. But in animals, color blindness is successfully compensated by heightened hearing, smell and other senses. What is it like for a person to live in a world devoid of colors? To live as if within the framework of a black and white film, without being able to fully appreciate the beauty of the surrounding world - a crimson sunset, a turquoise sea, fields of golden wheat? In his work “Colorblind Island,” Oliver Sacks, with his characteristic combination of scientific seriousness and entertaining style, is excellent The novelist tells about a journey to the exotic islands of Micronesia, where people suffering from hereditary color blindness have lived for many centuries. How does our world appear to them? Does this feature affect their emotions, imagination, way of thinking? How do they compensate for the lack of color? And finally, what is the reason for the black-and-white vision of the islanders and is it possible to help them?