What are hue, saturation and brightness, or HSB?
ANSWER. HSB stands for hue, saturation and brightness. HSB is one of the color models, or ways of thinking about colors. Hue is the color: Red, green, blue or some other color from the TV color wheel. Saturation is sort of a ratio: The ratio expresses how much color we have vs. how much brightness data. For example, TV can make red and pink from the same hue. Why do these colors look different? Because red is more saturated than pink is. That is, pink has more white than red does. In television terms, white isn’t a color at all. Instead, it’s a brightness value. Brightness is the black and white picture information. Some people think of brightness as the average of the color data. This idea works for the real world, but not necessarily for TV. In TV, the colors have less detail than the monochrome data has. TV sends monochrome data separately. That is, brightness or “Y” exists separately from color or “C.” You can have black and white TV without ever having a color picture. On the othe
