colors: colors give the web Freshness and attractiveness , you can choose the color that fit your page with css there is three ways to specify any color : RGB values, hex codes , and color names . you can also add a color into back grounds , you can specify your choice of background color ,If you do not specify a background color, then the background is transparent

you can pick any color that you want, all colors are avilable in the computer because its created by mixing of red, green, and blue . so that the colors are consistent and the idea is clear.

CSS3: introduces an entirely new and intuitive way to specify colors using hue, saturation, and lightness values.

• hue: Hue is the colloquial idea of color.
• saturation: Saturation is the amount of gray in a color.
• ligh tness: Lightness is the amount of white (lightness) or black (darkness) in a color.