The red, green, and blue dots are so small that the eye and brain blend these discrete dots into a continuous tone. A particular mix of the red, green, and blue components of a screen area corresponds directly to the perceived color of that area. Because brightness is often called value, the term HSV is also used. Colloquially speaking, hue is the kind of color. For example, red as opposed to blue or yellow.
Saturation is the depth or intensity of colorlight red as opposed to dark red.
Brightness is the overall amount or lightness of a color. Saturation - Attribute of a visual sensation according to which an area appears to exhibit more or less chromatic color, judged in proportion to its lightness or brightness. The attribute of color perception by which a nonself-luminous body is judged to reflect more or less light. The attribute by which a perceived color is judged to be equivalent to one of a series of grays ranging from black to white. Another method used to display color in computer graphics is dithering .