Mark tag is used to highlight the text which increases the importance of text on the web page.
HTML Mark tag is defined by <mark>.
We can also change the background color of the text like aqua, lime, silver etc. as per our desired design. For More HTML Background Color
In the above, we have shown an example of HTML Mark Tag.
<mark> Tag makes the background of the text yellow which shows it is highlighted, and it increases the importance of the text on the web page.
Run the code to see the effect.