they will be blue-yellow color-blind, although this form of color blindness is less common than red-green. And if every type ...

Color-blind individuals have trouble differentiating between red, blue, and green hues. Approximately 8% of men and 0.5% of women with Northern European ancestry have some form of color blindness.

Tritanopia is a color vision deficiency that may affect blues and yellows. People may have difficulty distinguishing certain colors, such as blue and green, red and purple, or yellow and pink.

Scientists at the University of California, Berkeley, who have witnessed the new color they dubbed "olo" described it as a deep, rich blue-greenish hue that can't be seen with the naked human eye.

Dogs have the same deficit. They wouldn’t be able to look at a green light and think, ‘Oh, that’s a green light.” Just like a color blind person,” Putter explains.

The lichens being, in his sight, of the same color as the red-tiled roof, he thought he had made a remarkable discovery. The lichens, however, to his great chagrin, proved to be bright green.

Are there treatments to cure color blindness? Read on to learn more about current research, supportive tools, and accommodations to help those with color vision deficiency.

The baseline for normal red-green vision is typically considered scoring a 17 or higher on plates 1 through 21. The man’s self-reported score before the mushroom test was 14.