There are a few ways to add pantone colors to Illustrator. The first way is to use the Pantone color wheel. To add a pantone color, click on the wheel and select the color you want to use. The second way is to use the eyedropper tool. To add a pantone color, click on the eyedropper tool and select the color you want to use. The third way is to use the Color Picker tool. To add a pantone color, click on the Color Picker tool and select the desired hue or saturation from the drop-down list.