Open it in your browser to see them. These 16 words are guaranteed to work and may be used instead of the color numbers. There are many more color names that are currently accepted by most browsers but these 16 work everywhere. Don't clutter your work with too much color variation. To change your entire document you will need to understand the Text tag.
Text is an attribute of the body tag.
Save it and check it out. The text that was black is now greenish. They are changed by placing them inside the body tag. The background color is changed for the entire screen by placing the bgcolor attribute inside the body tag. Use the same number schema as fonts and text.