Let’s not be pedantic. White is a color.
Yeah, yeah, white is composed of all wavelengths, just like green is composed of the yellow wavelength and the blue wavelength.
green is composed of the yellow wavelength and the blue wavelength
- You are confusing wavelengths and photoreceptors. All the colors in the rainbow have a wavelength - both yellow and green. There are colors, like pink, that don’t have their own wavelength - and white is one of these colors.
- Between green and yellow, yellow is the one who doesn’t have its own photoreceptor in the human eye and thus the yellow we see is actually composed of red and green.
- The
yellow + blue = green
thing is a concept of subtractive colors - which means the formula is actuallywhite - yellow - blue = green
.
Green has its own wavelength, 500–565nm. It’s pink that doesn’t have one and is a mix between violet and red wavelengths.
i mean you’re technically almost correct, pink doesn’t have a wavelength because it’s just white with a bit more red in it.
You’re thinking of magenta, which is equal parts BLUE and red, violet is another word for purple which is also red and blue but darker and more on the blue side.
Violet is not purple since violet is a spectral color and has its own wavelength. While purple is a secondary color. If violet was also a secondary color made from blue and red you wouldn’t see it in a rainbow. https://en.wikipedia.org/wiki/Spectral_color