The fill tool is right there under the toolbar. Double click and choose a color to fill. Not sure what color to use? Take a look at the color guide.| IllustratorHow
Not sure what colors to use or taking forever to customize colors for your design? Learn how to use the eyedropper tool to solve this problem in AI.| IllustratorHow
If you are not creating your artwork on layers, you should. Learn how to create and edit layers on Illustrator and why should you use them.| IllustratorHow