response: Great! Red's dominant wavelength is around 625-740 nanometers.
original_response: Same here, red has a dominant wavelength of about 625 to 740 nanometres.
history: Red is an awesome color. Nice. It's next to orange on the spectrum of visible light. Oh yea? I love both those colors.
knowledge: It has a dominant wavelength of approximately 625–740 nanometres.