Red | the color that is on the edge of the rainbow

Author: Leandro Alegsa Creation date: November 13, 2022

Red is the color that is on the edge of the rainbow. It is one of the three primary colors, along with blue and yellow. Red light has a wavelength between 630 and 740 nanometers.

It is sometimes used to mark things that are wrong, important or dangerous.

Red is also commonly used as a warning to stop.

Questions and Answers

Q: What color is on the edge of the rainbow?

A: Red.

Q: What are the three primary colors?

A: The three primary colors are red, blue, and yellow.

Q: What is the wavelength range of red light?

A: The wavelength range of red light is between 630 and 740 nanometers.

Q: When is red used to mark something?

A: Red is sometimes used to mark things that are wrong, important or dangerous.

Q: What does a red warning sign usually signify?

A: A red warning sign usually signifies a need to stop.