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Weiwei Peng1,218 Points
what is the difference between value and saturation?
In the video, value is defined as lightness and darkness of a color, and the comparison of shade determines the value. While saturation refers refers to the strength of the color, and adding grey can decrease saturation. so value is determined by the amount of black or white you add in the color and saturation is determined by the amount of grey you add in the color?
Steven Parker216,149 Points
Not exactly. It's true that adding grey will decrease saturation, but so will adding white or black.
If you add black, you decrease value and also decrease saturation. If you add white, you increase value as you decrease saturation.
One of the best ways to become familiar with these concepts is to play with the color picker tool that is part of any drawing or painting program. They can also be found on web pages, like this one.