HTML colors are used to add color to text, background, etc & defined by the name of the predefined color value.

A color name can be RGB, HEX, HSL, RGBA, HSLA color names, or values.



Text Color and background:

<!DOCTYPE html>
<html>
    <body>
        <h3 style="color:green;background:#0099ff">Rathorji</h3>
    </body>
</html>



Border Color

<!DOCTYPE html>
<html>
    <body>
        <p style="border: 2px solid blue;">Rathorji</p>
    </body>
</html>