Color blindness is a visual impairment that affects a person's ability to perceive colors accurately. The most common type is red-green color blindness, where individuals struggle to distinguish between red and green hues. This condition is often inherited and occurs when certain color-detecting cells in the retina do not function properly. People with color blindness may rely on other visual cues, such as brightness or texture, to identify objects. While it does not typically affect overall vision, it can impact daily activities, such as reading traffic lights or choosing clothing. There is no cure, but tools like color filters and apps can help manage the condition.