You can change the color of selected text.
Select the text you want to change by dragging to highlight it, or click in a text box where you want to type new text.
Click the Colors button in the toolbar at the bottom of the iWeb window.
You can also open the Colors window by clicking the color well in the Text inspector or in the Fonts window.
In the Colors window, select the color you want to use.
Save colors you want to reuse by dragging them from the color bar at the top of the Colors window to the palette (the bar of little boxes) at the bottom.