Question

How many colours are there in Ostwald colour chart?

• A. 8
• B. 9
• C. 7
• D. 5

Hint:

The Ostwald colour chart consists of 8 colours, arranged to show harmonious relationships between them.

Answer 1

The Correct Option is A

Step 1: Understanding the Ostwald Colour Chart.
The Ostwald colour chart is a colour wheel developed by the German scientist Wilhelm Ostwald. It consists of 8 basic colours: red, orange, yellow, green, blue, indigo, violet, and white. These colours are arranged in a way that they complement each other in the wheel.
Step 2: Verifying the Options.

- Option (1): The Ostwald colour chart consists of 8 colours, making this the correct answer.
- Option (2): The Ostwald colour chart does not have 9 colours.
- Option (3): The Ostwald colour chart has 8 colours, not 7.
- Option (4): The Ostwald colour chart does not have 5 colours. Conclusion:
Therefore, the correct answer is (1) 8.