Alcohol can reduce your ability to distinguish between which two colors?

Alcohol significantly impairs various cognitive and sensory functions, including color perception. Research indicates that one of the primary effects of alcohol consumption is a disruption in the brain's ability to process certain visual cues. The correct answer highlights the difficulty in distinguishing between red and green, which often stems from the way alcohol affects color vision.

This impairment is particularly relevant because the inability to differentiate between these two colors can impact navigational skills on the water. For example, many navigation lights and buoys use red and green colors to convey important information. Confusing these colors could lead to hazardous situations on the water, such as misinterpreting the direction of other vessels or failing to recognize critical navigational markers.

The other color pairings presented in the options do not pose the same level of risk for navigation when impaired by alcohol, making the distinction between red and green especially critical in boating and maritime contexts.