Why is #FFFFFF white, but mixing red green and blue paint is black?
like if you wanted to mix paint to get a color from a computer would you do the opposite of what the RGB value is? I’m confused like if I wanted to take the RBG code R:99, G: 66, B, 33 wouldn’t it look more lightful than if I mixed paint into 1 part blue, 2 part green, 3 part red? how would you paint a color code?
It is the difference between additive mixing and subtractive mixing. When you mix colors on a screen with RGB, you add light. When you mix pigments on a physical medium, you subtract the amount of light reflected (because each paint absorbs most light except the colors it reflects, which are what you see).
As a side note, when mixing in the subtractive color system, your primary colors are cyan, magenta, and yellow. That’s why a printer takes CMYK, for cyan, magenta, yellow, and black. In case you were wondering, ‘K’ here is black.
Great explanation. Thank you.
Can you also tell me how a computer monitor makes Yellow when it only has RGB pixels?
On a spectrum of visible light, yellow has a wavelength perfectly between red and green. Therefore, combining red and green, the average wavelength is the same as the wavelength of yellow.
For reference:
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