CSS uses color values to represent different colors.It is used to set either foreground color of element or background color of the element.It is also used to specify border and outline color of the element.
How To Assign Color
Colors are assigned to the element by predefined color names, or RGB, HEX, HSL, RGBA, HSLA values.
Assigning Color Using Predefined Color Names
There are following predefined colors name that is used to specify different color name.These are aqua, black, blue, green, lime, fuchsia, gray, maroon, navy, silver, teal, olive, purple, red, white, yellow,orange and indigo.
Note: CSS color is applied to the HTML element by following methods such as predefined color names, or RGB, HEX, HSL, RGBA, HSLA values.