High saturation means that there are big differences between at least two of the values. These colors are bolder and more colorful. Low saturation colors are more grey-like and have values closer together. Orange is a high saturation color. Dusty Brown is a low saturation color.
Different hues are a result of different combinations of red, green and blue.
Orange and Dusty Brown have the same basic hue but with different saturation and value. Javascript and CSS use hex codes too. Learn more about hex codes by visiting my hex tutorials . The web safe palette is a set of 216 colors that can be used by web designers without concern of being displayed inaccurately by some browsers. Although usually not a huge concern, this lowest common denominator exists because some computers cannot display the full set of 16 million colors.