A person effected by colour blindners feels problem to identify which two colours ?

Options

A. Black & Blue
B. Green & Violet
C. White and Yellow
D. Green & Red

Explanation

**Step-by-Step Text Solution:**

1. **Understanding Color Blindness**: Color blindness is a condition that affects a person's ability to distinguish between certain colors. The most common form of color blindness is red-green color blindness.

2. **Identifying Common Color Blindness Issues**: People who are color blind often have difficulty distinguishing between specific pairs of colors. The most frequently mentioned colors that cause problems are red and green.

3. **Analyzing the Options**: The question provides four pairs of colors:
- Black and blue
- Green and violet
- White and yellow
- Green and red

4. **Determining the Correct Pair**: Among these pairs, the one that is most commonly associated with color blindness is green and red. This is because individuals with red-green color blindness often confuse these two colors.

5. **Conclusion**: Therefore, the two colors that a person affected by color blindness typically has trouble identifying are **green and red**.

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