colors used in html coding code example

Example 1: html colors

<!--
The value for the color property can be set in three main ways:

by color name, for example, red, green, blue
by hexadecimal number: from #000000 to #ffffff
by color code in the RGB palette: from rgb (0, 0, 0) to rgb(255, 255, 255)
-->

Example 2: possible colors used for html

#FFEFD5 (PAPAYAWHIP)   and

#556B2F (DARKOLIVEGREEN)

...are not web safe colors. They would get shifted to

#FFFFCC (NOT PAPAYAWHIP)   and

#666633 (NOT DARKOLIVEGREEN)