What are black and white if they are not colors?

Answer

Black and white are not colors, they are tones. Gray is between and is also a tone.

Answer

If black and white was combined the result would be a shade of gray, depending on the proportion of black and the proportion of white that was mixed together..

Pure black and pure white can therefore be thought of as the far left and the far right extremes of gray.

Answer

Colors are generally considered to be either primary (additive light) or secondary (subtractive light).

If you put all the colors together in the additive system you get white light. That means, by definition that there are no colors.

Subsequently, if you remove all light in the additive system you also have no colors because there is an absence of light.

Maybe an analogy could be that if you had an ice cream cone with strawberry flavor you would have the taste of strawberry, a 'color.' But if you had an ice cream cone with no flavor, it would be bland, without 'color.' This would be the same as the color black. For the color of white, you would have an ice cream cone with all the flavors imaginable mixed in, so you wouldn't be able to pick out just one single flavor of strawberry. This strong flavor where you can't distinguish one from another because all of them combined makes and overwhelming experience would be like 'tasting' white light.

Answer

black is a lack of colour, when you have nothing, you have black
white is all the colours combined, as dumb as that sounds.
if you take a colour wheel, (a round disk, with red, yellow & blue -the primary colours in opposite thirds of the wheel, & between each of them, i.e between blue & yellow will be green, & between yellow & red, will be orange. a bit ike a circular rainbow) & then spin the colour wheel, the colour will appear to be white :)

Answer

One way to describe what black and white are is to say that:

White is what we call a mixture of all possible colors
in the visible light spectrum, which is more usually
explained as being "all the colors of the rainbow".

Black is what we call the absence of any possible
colors in the visible light spectrum.

Another way to explain black and white is, if any visible light is shone onto an object that is painted pure black, it will reflect none of that light whatsoever and will therefore always appear to have no color itself. That is why it is called black.

If any visible light is shone onto an object that is painted pure white, it will reflect the colors of any such light which may shine on it and will appear to have the colors of that light itself. If such light is pure red, the object will appear to be pure red in color, if such light is pure yellow, the object will appear to be pure yellow in color, etc. If the light shining on the object is what we call white, because it has all the colors of the rainbow in it, the object will appear to be white in color.

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