Step 1: Understanding Hot and Cool Colours.
Hot colours, also known as warm colours, include red, orange, and yellow. These colours evoke feelings of warmth and energy and are typically associated with fire, the sun, and heat.
Step 2: Verifying the Options.
- Option (1): Red is a hot colour, making this the correct answer.
- Option (2): Blue is a cool colour, not hot.
- Option (3): Green is a cool colour, often associated with nature.
- Option (4): Paddy green is a shade of green, which is still considered a cool colour.
Conclusion:
Therefore, the correct answer is (1) Red.