This speech sample will also yield information about the quality of the child's voice, how fluent speech occurs, and the child's semantic and physical sound-making skill.
As the web becomes "semantic," the use of text HTML codes has been phasing out.
In fact, with developments in the semantic web, you could substitute the word "lightBlue" for "#CCFFFF" and still get a shade of light blue - however, using the hex code keeps things more exact.
However, in the drive towards a more semantic web, they have also adopted the "X11" standard which uses plain English to denote certain precise colors.
Lastly, as HTML has become more semantic, you can also simply use words like "red" for the color.