The 216 Standard Web Colours This page shows the 216 standard colours that are safe for use on Web pages. To find out the code for any of the colours above, move the mouse over the colour. If this doesn't work, click here for another Web site that shows the same information. To use this in changing the colour of text on a Web page, you use the code in an HTML <font> tag like this: Please <font color="#ff0000">read the instructions carefully</font>. The six-letter code (ff0000 in the example above) is the colour.