$[3][12$ points$]$ Colors on web pages are specified using $24$ bits: $8$ bits for red, $8$ green, and $8$ blue. Hex is a convenient way to specify those $24$ bits. Thus FF$0000$ is bright red, $990000$ is a darker red, FF$00$FF is a bright purple, and $000000$ is black. See the html code below:

$$ 'DOCTYPE html$>$

$$ body $>$

Line $1$

$2p>$

Line $2$ p$>$

$3p>$

Line $3p>$

Line $3$ p$>$

Line$4$ Line$4$ Line$4$ Line$5$ Line

Line$5$

Line$6$

$$ body $>$

Once I paste this code and render $HTML,it$ generates the color below:

Line$5$

Line$6$

$$ body $>$

Once I paste this code and render $HTML,it$ generates the color below: