The HSL method uses hue, saturation, and lightness to define color. Each of these elements is assigned a value from 0 to 255. Hue is a color or shade of color. Lightness refers to the amount or intensity of light found in a color. A lightness setting of zero is equal to black, and a lightness setting of 255 is equal to white.
Saturation refers to the amount of gray.
A saturation value of 0 means there is a lot of gray, and a saturation value of 255 means there is no gray. Paint Shop Pro arranges hues around a color wheel. You select the color you want by moving the pointer around the wheel. Saturation and lightness are represented by a square in the center of the color wheel. You increase lightness by moving from the top to the bottom of the square.